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	<title>MedicsKey | 生理學 | Activity</title>
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				<title>MedicsKey.A started the discussion 兩種細胞－兩種性促素學說（two-cell, two-gonadotropin theory）描述的是卵巢中的顆粒細胞（granulosa cells）和卵泡膜細胞（theca cells）在卵泡刺激素（FSH）和黃體生成素（LH）的作用下協同生成雌二醇（17β-estradiol）。 in the forum 生理學</title>
				<link>https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e5%85%a9%e7%a8%ae%e7%b4%b0%e8%83%9e%ef%bc%8d%e5%85%a9%e7%a8%ae%e6%80%a7%e4%bf%83%e7%b4%a0%e5%ad%b8%e8%aa%aa%ef%bc%88two-cell-two-gonadotropin-theory%ef%bc%89%e6%8f%8f%e8%bf%b0%e7%9a%84%e6%98%af/</link>
				<pubDate>Tue, 07 Jan 2025 16:36:26 +0800</pubDate>

									<content:encoded><![CDATA[<p class = "activity-discussion-title-wrap"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e5%85%a9%e7%a8%ae%e7%b4%b0%e8%83%9e%ef%bc%8d%e5%85%a9%e7%a8%ae%e6%80%a7%e4%bf%83%e7%b4%a0%e5%ad%b8%e8%aa%aa%ef%bc%88two-cell-two-gonadotropin-theory%ef%bc%89%e6%8f%8f%e8%bf%b0%e7%9a%84%e6%98%af/">兩種細胞－兩種性促素學說（two-cell, two-gonadotropin theory）描述的是卵巢中的顆粒細胞（granulosa cells）和卵泡膜細胞（theca cells）在卵泡刺激素（FSH）和黃體生成素（LH）的作用下協同生成雌二醇（17β-estradiol）。</a></p> <div class="bb-content-inr-wrap"><p>11211-73 生理<br />
73.有關生殖生理很重要的「兩種細胞－兩種性促素學說（two-cell, two-gonadotropin theory）」是指：<br />
A.誘發睪丸（testis）生成釋放睪固酮（testosterone）的運作機制<br />
B.誘發睪丸（testis）生成釋放黃體素（progesterone）的運作機制<br />
C.誘發卵巢（ovary）生成釋放雌二醇（17β-estradiol）的運作機制<br />
D.誘發卵巢（ovary）生成釋放雄烯二酮（androstenedione）的運作機制</p>
<p>正確答案:<br />
C.&hellip;</p>
<p><span class="activity-read-more" id="activity-read-more-708"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e5%85%a9%e7%a8%ae%e7%b4%b0%e8%83%9e%ef%bc%8d%e5%85%a9%e7%a8%ae%e6%80%a7%e4%bf%83%e7%b4%a0%e5%ad%b8%e8%aa%aa%ef%bc%88two-cell-two-gonadotropin-theory%ef%bc%89%e6%8f%8f%e8%bf%b0%e7%9a%84%e6%98%af/" rel="nofollow"> Read more</a></span></p>
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				<title>MedicsKey.A started the discussion 胰島素分泌不足通常會導致代謝性酸中毒（metabolic acidosis），而不是呼吸性酸中毒（respiratory acidosis）。 in the forum 生理學</title>
				<link>https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e8%83%b0%e5%b3%b6%e7%b4%a0%e5%88%86%e6%b3%8c%e4%b8%8d%e8%b6%b3%e9%80%9a%e5%b8%b8%e6%9c%83%e5%b0%8e%e8%87%b4%e4%bb%a3%e8%ac%9d%e6%80%a7%e9%85%b8%e4%b8%ad%e6%af%92%ef%bc%88metabolic-acidosis%ef%bc%89/</link>
				<pubDate>Tue, 07 Jan 2025 16:23:20 +0800</pubDate>

									<content:encoded><![CDATA[<p class = "activity-discussion-title-wrap"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e8%83%b0%e5%b3%b6%e7%b4%a0%e5%88%86%e6%b3%8c%e4%b8%8d%e8%b6%b3%e9%80%9a%e5%b8%b8%e6%9c%83%e5%b0%8e%e8%87%b4%e4%bb%a3%e8%ac%9d%e6%80%a7%e9%85%b8%e4%b8%ad%e6%af%92%ef%bc%88metabolic-acidosis%ef%bc%89/">胰島素分泌不足通常會導致代謝性酸中毒（metabolic acidosis），而不是呼吸性酸中毒（respiratory acidosis）。</a></p> <div class="bb-content-inr-wrap"><p>11211-72 生理<br />
72.下列何者最不可能是胰島素分泌不足所導致的現象？<br />
A.血中酮體（ketone bodies）增加<br />
B.產生滲透壓性利尿（osmotic diuresis）作用<br />
C.呼吸性酸中毒（respiratory acidosis）<br />
D.血中游離脂肪酸（free fatty acid）濃度升高</p>
<p>正確答案: C.呼吸性酸中毒（respiratory acidosis）</p>
<p>為何正確: 胰島素分泌不足會導致糖尿病的代謝問題，例如酮體（ketone bodies）增加、滲透壓性利尿（osmotic diuresis）、以及血中游離脂肪酸（free fatty acid）的濃度升高，這些都是胰島素分泌不足的典型表現。呼吸性酸中毒（respiratory&hellip;</p>
<p><span class="activity-read-more" id="activity-read-more-707"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e8%83%b0%e5%b3%b6%e7%b4%a0%e5%88%86%e6%b3%8c%e4%b8%8d%e8%b6%b3%e9%80%9a%e5%b8%b8%e6%9c%83%e5%b0%8e%e8%87%b4%e4%bb%a3%e8%ac%9d%e6%80%a7%e9%85%b8%e4%b8%ad%e6%af%92%ef%bc%88metabolic-acidosis%ef%bc%89/" rel="nofollow"> Read more</a></span></p>
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				<title>MedicsKey.A started the discussion 甲狀腺荷爾蒙的生物活性順序為三碘甲狀腺素（T3）＞甲狀腺素（T4）＞逆三碘甲狀腺素（RT3）。 in the forum 生理學</title>
				<link>https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e7%94%b2%e7%8b%80%e8%85%ba%e8%8d%b7%e7%88%be%e8%92%99%e7%9a%84%e7%94%9f%e7%89%a9%e6%b4%bb%e6%80%a7%e9%a0%86%e5%ba%8f%e7%82%ba%e4%b8%89%e7%a2%98%e7%94%b2%e7%8b%80%e8%85%ba%e7%b4%a0%ef%bc%88t3%ef%bc%89/</link>
				<pubDate>Tue, 07 Jan 2025 16:14:21 +0800</pubDate>

									<content:encoded><![CDATA[<p class = "activity-discussion-title-wrap"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e7%94%b2%e7%8b%80%e8%85%ba%e8%8d%b7%e7%88%be%e8%92%99%e7%9a%84%e7%94%9f%e7%89%a9%e6%b4%bb%e6%80%a7%e9%a0%86%e5%ba%8f%e7%82%ba%e4%b8%89%e7%a2%98%e7%94%b2%e7%8b%80%e8%85%ba%e7%b4%a0%ef%bc%88t3%ef%bc%89/">甲狀腺荷爾蒙的生物活性順序為三碘甲狀腺素（T3）＞甲狀腺素（T4）＞逆三碘甲狀腺素（RT3）。</a></p> <div class="bb-content-inr-wrap"><p>11211-71 生理<br />
下列有關甲狀腺荷爾蒙生物活性（biological activity）高低之順序，何者正確？<br />
(A) 三碘甲狀腺素（T3）＞甲狀腺素（T4）＞逆三碘甲狀腺素（RT3）<br />
(B) 甲狀腺素（T4）＞三碘甲狀腺素（T3）＞逆三碘甲狀腺素（RT3）<br />
(C) 三碘甲狀腺素（T3）＞逆三碘甲狀腺素（RT3）＞甲狀腺素（T4）<br />
(D) 逆三碘甲狀腺素（RT3）＞三碘甲狀腺素（T3）＞甲狀腺素（T4）</p>
<p>正確答案:<br />
(A) 三碘甲狀腺素（T3）＞甲狀腺素（T4）＞逆三碘甲狀腺素（RT3）</p>
<p>為何正確:&hellip;</p>
<p><span class="activity-read-more" id="activity-read-more-706"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e7%94%b2%e7%8b%80%e8%85%ba%e8%8d%b7%e7%88%be%e8%92%99%e7%9a%84%e7%94%9f%e7%89%a9%e6%b4%bb%e6%80%a7%e9%a0%86%e5%ba%8f%e7%82%ba%e4%b8%89%e7%a2%98%e7%94%b2%e7%8b%80%e8%85%ba%e7%b4%a0%ef%bc%88t3%ef%bc%89/" rel="nofollow"> Read more</a></span></p>
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				<title>MedicsKey.A started the discussion 低鉀血症（hypokalemia）會抑制胰島素分泌，導致胰島素抗性和葡萄糖耐受性受損。 in the forum 生理學</title>
				<link>https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e4%bd%8e%e9%89%80%e8%a1%80%e7%97%87%ef%bc%88hypokalemia%ef%bc%89%e6%9c%83%e6%8a%91%e5%88%b6%e8%83%b0%e5%b3%b6%e7%b4%a0%e5%88%86%e6%b3%8c%ef%bc%8c%e5%b0%8e%e8%87%b4%e8%83%b0%e5%b3%b6%e7%b4%a0%e6%8a%97/</link>
				<pubDate>Tue, 07 Jan 2025 16:00:53 +0800</pubDate>

									<content:encoded><![CDATA[<p class = "activity-discussion-title-wrap"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e4%bd%8e%e9%89%80%e8%a1%80%e7%97%87%ef%bc%88hypokalemia%ef%bc%89%e6%9c%83%e6%8a%91%e5%88%b6%e8%83%b0%e5%b3%b6%e7%b4%a0%e5%88%86%e6%b3%8c%ef%bc%8c%e5%b0%8e%e8%87%b4%e8%83%b0%e5%b3%b6%e7%b4%a0%e6%8a%97/">低鉀血症（hypokalemia）會抑制胰島素分泌，導致胰島素抗性和葡萄糖耐受性受損。</a></p> <div class="bb-content-inr-wrap"><p>11211-70 生理<br />
70.有關原發性高醛固酮血症（primary hyperaldosteronism）的病人，常伴隨有糖尿病相關的葡萄糖耐受性受損現象，下列何者是最有可能的解釋？<br />
A.血中鈉離子濃度升高會造成周邊組織產生胰島素抗性<br />
B.血中醛固酮濃度升高就會刺激交感神經造成血糖升高<br />
C.血中醛固酮濃度升高會增加鈉離子和葡萄糖的再吸收作用<br />
D.血中鉀離子濃度降低會抑制胰島素分泌作用</p>
<p>正確答案: D.血中鉀離子濃度降低會抑制胰島素分泌作用</p>
<p>為何正確: 原發性高醛固酮血症（primary&hellip;</p>
<p><span class="activity-read-more" id="activity-read-more-705"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e4%bd%8e%e9%89%80%e8%a1%80%e7%97%87%ef%bc%88hypokalemia%ef%bc%89%e6%9c%83%e6%8a%91%e5%88%b6%e8%83%b0%e5%b3%b6%e7%b4%a0%e5%88%86%e6%b3%8c%ef%bc%8c%e5%b0%8e%e8%87%b4%e8%83%b0%e5%b3%b6%e7%b4%a0%e6%8a%97/" rel="nofollow"> Read more</a></span></p>
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				<title>MedicsKey.A started the discussion 維生素D3（vitamin D3）可經由食物補充，也可以由皮膚中的7-dehydrocholesterol經紫外線照射合成。 in the forum 生理學</title>
				<link>https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e7%b6%ad%e7%94%9f%e7%b4%a0d3%ef%bc%88vitamin-d3%ef%bc%89%e5%8f%af%e7%b6%93%e7%94%b1%e9%a3%9f%e7%89%a9%e8%a3%9c%e5%85%85%ef%bc%8c%e4%b9%9f%e5%8f%af%e4%bb%a5%e7%94%b1%e7%9a%ae%e8%86%9a%e4%b8%ad/</link>
				<pubDate>Tue, 07 Jan 2025 15:51:20 +0800</pubDate>

									<content:encoded><![CDATA[<p class = "activity-discussion-title-wrap"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e7%b6%ad%e7%94%9f%e7%b4%a0d3%ef%bc%88vitamin-d3%ef%bc%89%e5%8f%af%e7%b6%93%e7%94%b1%e9%a3%9f%e7%89%a9%e8%a3%9c%e5%85%85%ef%bc%8c%e4%b9%9f%e5%8f%af%e4%bb%a5%e7%94%b1%e7%9a%ae%e8%86%9a%e4%b8%ad/">維生素D3（vitamin D3）可經由食物補充，也可以由皮膚中的7-dehydrocholesterol經紫外線照射合成。</a></p> <div class="bb-content-inr-wrap"><p>11211-69 生理<br />
69.有關維生素D3（vitamin D3）的敘述，下列何者最為適當？<br />
A.又稱為25-hydroxycholecalciferol<br />
B.在肝臟製造合成<br />
C.維生素D3經1α-hydroxylase 作用，形成有活性的代謝產物<br />
D.維生素D3可由食物中攝取補充</p>
<p>正確答案: D.維生素D3可由食物中攝取補充</p>
<p>為何正確: 維生素D3可以通過飲食補充，食物來源包括魚肝油、脂肪魚、蛋黃和強化食品等。此外，維生素D3也可以通過皮膚在陽光下合成，但飲食是另一個重要的攝入途徑。</p>
<p>選項: A<br />
詳解: 25-hydroxycholecalciferol&hellip;</p>
<p><span class="activity-read-more" id="activity-read-more-704"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e7%b6%ad%e7%94%9f%e7%b4%a0d3%ef%bc%88vitamin-d3%ef%bc%89%e5%8f%af%e7%b6%93%e7%94%b1%e9%a3%9f%e7%89%a9%e8%a3%9c%e5%85%85%ef%bc%8c%e4%b9%9f%e5%8f%af%e4%bb%a5%e7%94%b1%e7%9a%ae%e8%86%9a%e4%b8%ad/" rel="nofollow"> Read more</a></span></p>
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				<title>MedicsKey.A started the discussion 腎上腺功能不足（adrenal insufficiency）可能導致低鈉血症（hyponatremia）和高鉀血症（hyperkalemia）。 in the forum 生理學</title>
				<link>https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e8%85%8e%e4%b8%8a%e8%85%ba%e5%8a%9f%e8%83%bd%e4%b8%8d%e8%b6%b3%ef%bc%88adrenal-insufficiency%ef%bc%89%e5%8f%af%e8%83%bd%e5%b0%8e%e8%87%b4%e4%bd%8e%e9%88%89%e8%a1%80%e7%97%87%ef%bc%88hyponatremia/</link>
				<pubDate>Tue, 07 Jan 2025 15:43:22 +0800</pubDate>

									<content:encoded><![CDATA[<p class = "activity-discussion-title-wrap"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e8%85%8e%e4%b8%8a%e8%85%ba%e5%8a%9f%e8%83%bd%e4%b8%8d%e8%b6%b3%ef%bc%88adrenal-insufficiency%ef%bc%89%e5%8f%af%e8%83%bd%e5%b0%8e%e8%87%b4%e4%bd%8e%e9%88%89%e8%a1%80%e7%97%87%ef%bc%88hyponatremia/">腎上腺功能不足（adrenal insufficiency）可能導致低鈉血症（hyponatremia）和高鉀血症（hyperkalemia）。</a></p> <div class="bb-content-inr-wrap"><p>11211-68 生理<br />
68.正常受測者之血中電解質濃度為：Na+143，K+4.5，Cl-105，HCO3-25 mEq/L。若有一病人之血中電解質濃度為：Na+ 120，K+ 6.7，Cl- 86，HCO3- 25 mEq/L，此病人最有可能是下列何種情況所造成？<br />
A.腎上腺功能不足（adrenal insufficiency）<br />
B.原發性高醛固酮血症（primary hyperaldosteronism）<br />
C.庫興氏症候群（Cushing&#8217;s syndrome）<br />
D.低鈉飲食</p>
<p>正確答案: A. 腎上腺功能不足（adrenal insufficiency）</p>
<p>為何正確:&hellip;</p>
<p><span class="activity-read-more" id="activity-read-more-703"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e8%85%8e%e4%b8%8a%e8%85%ba%e5%8a%9f%e8%83%bd%e4%b8%8d%e8%b6%b3%ef%bc%88adrenal-insufficiency%ef%bc%89%e5%8f%af%e8%83%bd%e5%b0%8e%e8%87%b4%e4%bd%8e%e9%88%89%e8%a1%80%e7%97%87%ef%bc%88hyponatremia/" rel="nofollow"> Read more</a></span></p>
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				<title>MedicsKey.A started the discussion 短時間內攝入大量水分會導致血液滲透壓(Osmotic Pressure)和尿液滲透壓皆降低。 in the forum 生理學</title>
				<link>https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e7%9f%ad%e6%99%82%e9%96%93%e5%85%a7%e6%94%9d%e5%85%a5%e5%a4%a7%e9%87%8f%e6%b0%b4%e5%88%86%e6%9c%83%e5%b0%8e%e8%87%b4%e8%a1%80%e6%b6%b2%e6%bb%b2%e9%80%8f%e5%a3%93osmotic-pressure%e5%92%8c%e5%b0%bf/</link>
				<pubDate>Tue, 07 Jan 2025 15:23:24 +0800</pubDate>

									<content:encoded><![CDATA[<p class = "activity-discussion-title-wrap"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e7%9f%ad%e6%99%82%e9%96%93%e5%85%a7%e6%94%9d%e5%85%a5%e5%a4%a7%e9%87%8f%e6%b0%b4%e5%88%86%e6%9c%83%e5%b0%8e%e8%87%b4%e8%a1%80%e6%b6%b2%e6%bb%b2%e9%80%8f%e5%a3%93osmotic-pressure%e5%92%8c%e5%b0%bf/">短時間內攝入大量水分會導致血液滲透壓(Osmotic Pressure)和尿液滲透壓皆降低。</a></p> <div class="bb-content-inr-wrap"><p>11211-67 生理<br />
67.在短時間內喝下2000 ml白開水，血液與尿液滲透壓較大量喝水前的基礎值有何變化？<br />
A.血液滲透壓增加，尿液滲透壓降低<br />
B.血液滲透壓降低，尿液滲透壓增加<br />
C.血液滲透壓與尿液滲透壓皆增加<br />
D.血液滲透壓與尿液滲透壓皆降低</p>
<p>正確答案: D.血液滲透壓與尿液滲透壓皆降低</p>
<p>為何正確: 當短時間內大量喝水（如2000 ml白開水）時，會導致血液稀釋，這會使血液滲透壓降低。同時，由於稀釋效應，腎臟會排出更多稀釋的尿液，尿液滲透壓也會降低。因此，喝下大量水後，血液與尿液的滲透壓都會下降。</p>
<p>選項: A<br />
詳解: 這個選項描述的情況是血液滲透壓增加，而尿液滲透壓降低。然而，當短時間內攝入大量的水（例如2000&hellip;</p>
<p><span class="activity-read-more" id="activity-read-more-702"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e7%9f%ad%e6%99%82%e9%96%93%e5%85%a7%e6%94%9d%e5%85%a5%e5%a4%a7%e9%87%8f%e6%b0%b4%e5%88%86%e6%9c%83%e5%b0%8e%e8%87%b4%e8%a1%80%e6%b6%b2%e6%bb%b2%e9%80%8f%e5%a3%93osmotic-pressure%e5%92%8c%e5%b0%bf/" rel="nofollow"> Read more</a></span></p>
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				<title>MedicsKey.A started the discussion 鉀離子在遠端腎小管的分泌排出主要依賴經特定鉀離子通道(specific K+ channels)的排出。 in the forum 生理學</title>
				<link>https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e9%89%80%e9%9b%a2%e5%ad%90%e5%9c%a8%e9%81%a0%e7%ab%af%e8%85%8e%e5%b0%8f%e7%ae%a1%e7%9a%84%e5%88%86%e6%b3%8c%e6%8e%92%e5%87%ba%e4%b8%bb%e8%a6%81%e4%be%9d%e8%b3%b4%e7%b6%93%e7%89%b9%e5%ae%9a%e9%89%80/</link>
				<pubDate>Tue, 07 Jan 2025 15:14:20 +0800</pubDate>

									<content:encoded><![CDATA[<p class = "activity-discussion-title-wrap"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e9%89%80%e9%9b%a2%e5%ad%90%e5%9c%a8%e9%81%a0%e7%ab%af%e8%85%8e%e5%b0%8f%e7%ae%a1%e7%9a%84%e5%88%86%e6%b3%8c%e6%8e%92%e5%87%ba%e4%b8%bb%e8%a6%81%e4%be%9d%e8%b3%b4%e7%b6%93%e7%89%b9%e5%ae%9a%e9%89%80/">鉀離子在遠端腎小管的分泌排出主要依賴經特定鉀離子通道(specific K+ channels)的排出。</a></p> <div class="bb-content-inr-wrap"><p>11211-66 生理<br />
66.下列何者為決定鉀離子在遠端腎小管分泌排出之最主要因素？<br />
A.抗利尿荷爾蒙（antidiuretic hormone, ADH）存在與否<br />
B.管腔內帶正電荷離子多寡<br />
C.近端腎小管腔內尿液流速（urine flow rate）<br />
D.經特定鉀離子通道排出（specific K+ channels）</p>
<p>正確答案: C.近端腎小管腔內尿液流速（urine flow rate）</p>
<p>為何正確:&hellip;</p>
<p><span class="activity-read-more" id="activity-read-more-701"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e9%89%80%e9%9b%a2%e5%ad%90%e5%9c%a8%e9%81%a0%e7%ab%af%e8%85%8e%e5%b0%8f%e7%ae%a1%e7%9a%84%e5%88%86%e6%b3%8c%e6%8e%92%e5%87%ba%e4%b8%bb%e8%a6%81%e4%be%9d%e8%b3%b4%e7%b6%93%e7%89%b9%e5%ae%9a%e9%89%80/" rel="nofollow"> Read more</a></span></p>
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				<title>MedicsKey.A started the discussion 腸上皮細胞外的鈉離子（Na+）濃度影響小腸對葡萄糖和胺基酸的吸收。 in the forum 生理學</title>
				<link>https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e8%85%b8%e4%b8%8a%e7%9a%ae%e7%b4%b0%e8%83%9e%e5%a4%96%e7%9a%84%e9%88%89%e9%9b%a2%e5%ad%90%ef%bc%88na%ef%bc%89%e6%bf%83%e5%ba%a6%e5%bd%b1%e9%9f%bf%e5%b0%8f%e8%85%b8%e5%b0%8d%e8%91%a1%e8%90%84/</link>
				<pubDate>Tue, 07 Jan 2025 15:12:21 +0800</pubDate>

									<content:encoded><![CDATA[<p class = "activity-discussion-title-wrap"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e8%85%b8%e4%b8%8a%e7%9a%ae%e7%b4%b0%e8%83%9e%e5%a4%96%e7%9a%84%e9%88%89%e9%9b%a2%e5%ad%90%ef%bc%88na%ef%bc%89%e6%bf%83%e5%ba%a6%e5%bd%b1%e9%9f%bf%e5%b0%8f%e8%85%b8%e5%b0%8d%e8%91%a1%e8%90%84/">腸上皮細胞外的鈉離子（Na+）濃度影響小腸對葡萄糖和胺基酸的吸收。</a></p> <div class="bb-content-inr-wrap"><p>11211-65 生理<br />
65.下列何者之濃度變化，最可能影響小腸對葡萄糖與胺基酸的吸收？<br />
A.血中胰島素<br />
B.血中鉀離子<br />
C.腸上皮細胞外之鈉離子<br />
D.腸上皮細胞外之鈣離子</p>
<p>正確答案:C. 腸上皮細胞外之鈉離子</p>
<p>為何正確: 葡萄糖與胺基酸在小腸中的吸收依賴於鈉-葡萄糖共運輸體系(sodium-glucose cotransporter system，SGLT)，這是一種次級主動運輸系統。此系統需要鈉離子(NA+)的梯度來驅動葡萄糖進入腸上皮細胞。因此，腸上皮細胞外的鈉離子濃度變化會直接影響葡萄糖及胺基酸的吸收效率。</p>
<p>選項:&hellip;</p>
<p><span class="activity-read-more" id="activity-read-more-700"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e8%85%b8%e4%b8%8a%e7%9a%ae%e7%b4%b0%e8%83%9e%e5%a4%96%e7%9a%84%e9%88%89%e9%9b%a2%e5%ad%90%ef%bc%88na%ef%bc%89%e6%bf%83%e5%ba%a6%e5%bd%b1%e9%9f%bf%e5%b0%8f%e8%85%b8%e5%b0%8d%e8%91%a1%e8%90%84/" rel="nofollow"> Read more</a></span></p>
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				<title>MedicsKey.A started the discussion 當體動脈（systemic artery）血中氧分壓顯著降低時，頸動脈體（carotid body）內球細胞（glomus cell）對氧氣敏感性鉀離子通道（O2-sensitive K+ channel）受抑制，導致細胞膜電位去極化（membrane depolarization）。 in the forum 生理學</title>
				<link>https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e7%95%b6%e9%ab%94%e5%8b%95%e8%84%88%ef%bc%88systemic-artery%ef%bc%89%e8%a1%80%e4%b8%ad%e6%b0%a7%e5%88%86%e5%a3%93%e9%a1%af%e8%91%97%e9%99%8d%e4%bd%8e%e6%99%82%ef%bc%8c%e9%a0%b8%e5%8b%95%e8%84%88/</link>
				<pubDate>Tue, 07 Jan 2025 14:58:26 +0800</pubDate>

									<content:encoded><![CDATA[<p class = "activity-discussion-title-wrap"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e7%95%b6%e9%ab%94%e5%8b%95%e8%84%88%ef%bc%88systemic-artery%ef%bc%89%e8%a1%80%e4%b8%ad%e6%b0%a7%e5%88%86%e5%a3%93%e9%a1%af%e8%91%97%e9%99%8d%e4%bd%8e%e6%99%82%ef%bc%8c%e9%a0%b8%e5%8b%95%e8%84%88/">當體動脈（systemic artery）血中氧分壓顯著降低時，頸動脈體（carotid body）內球細胞（glomus cell）對氧氣敏感性鉀離子通道（O2-sensitive K+ channel）受抑制，導致細胞膜電位去極化（membrane depolarization）。</a></p> <div class="bb-content-inr-wrap"><p>11211-63 生理<br />
63.體動脈（systemic artery）血中氧分壓（） 顯著降低時，頸動脈體（carotid body）內球細胞（glomus cell）細胞膜（plasma membrane）會發生下列何種反應？<br />
A.對氧氣敏感性鉀離子通道（O2-sensitive K+ channel）受抑制，細胞膜電位去極化（membrane depolarization）<br />
B.對氧氣敏感性鉀離子通道（O2-sensitive K+ channel）活化，細胞膜電位去極化（membrane depolarization）<br />
C.對氧氣敏感性鉀離子通道（O2-sensitive K+ channel）受抑制，細胞膜電位過極化（membrane&hellip;</p>
<p><span class="activity-read-more" id="activity-read-more-699"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e7%95%b6%e9%ab%94%e5%8b%95%e8%84%88%ef%bc%88systemic-artery%ef%bc%89%e8%a1%80%e4%b8%ad%e6%b0%a7%e5%88%86%e5%a3%93%e9%a1%af%e8%91%97%e9%99%8d%e4%bd%8e%e6%99%82%ef%bc%8c%e9%a0%b8%e5%8b%95%e8%84%88/" rel="nofollow"> Read more</a></span></p>
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				<title>MedicsKey.A started the discussion 破壞呼吸調節區（pneumotaxic center）最可能導致明顯的長吸氣（apneusis）現象。 in the forum 生理學</title>
				<link>https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e7%a0%b4%e5%a3%9e%e5%91%bc%e5%90%b8%e8%aa%bf%e7%af%80%e5%8d%80%ef%bc%88pneumotaxic-center%ef%bc%89%e6%9c%80%e5%8f%af%e8%83%bd%e5%b0%8e%e8%87%b4%e6%98%8e%e9%a1%af%e7%9a%84%e9%95%b7%e5%90%b8%e6%b0%a3/</link>
				<pubDate>Tue, 07 Jan 2025 14:52:18 +0800</pubDate>

									<content:encoded><![CDATA[<p class = "activity-discussion-title-wrap"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e7%a0%b4%e5%a3%9e%e5%91%bc%e5%90%b8%e8%aa%bf%e7%af%80%e5%8d%80%ef%bc%88pneumotaxic-center%ef%bc%89%e6%9c%80%e5%8f%af%e8%83%bd%e5%b0%8e%e8%87%b4%e6%98%8e%e9%a1%af%e7%9a%84%e9%95%b7%e5%90%b8%e6%b0%a3/">破壞呼吸調節區（pneumotaxic center）最可能導致明顯的長吸氣（apneusis）現象。</a></p> <div class="bb-content-inr-wrap"><p>11211-62 生理<br />
62.下列何者最可能會造成明顯的長吸氣（apneusis）現象？ ①破壞呼吸調節區（pneumotaxic center） ②破壞延髓（medullary oblongata）背側呼吸群（dorsal respiratory group, DRG） ③破壞 pre-Bötzinger complex ④切斷迷走神經（vagus nerve）<br />
A.僅①<br />
B.②③<br />
C.③④<br />
D.①④</p>
<p>正確答案: D. ①④</p>
<p>為何正確:<br />
長吸氣（apneusis）現象通常與呼吸調節區（pneumotaxic center）和迷走神經（vagus&hellip;</p>
<p><span class="activity-read-more" id="activity-read-more-698"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e7%a0%b4%e5%a3%9e%e5%91%bc%e5%90%b8%e8%aa%bf%e7%af%80%e5%8d%80%ef%bc%88pneumotaxic-center%ef%bc%89%e6%9c%80%e5%8f%af%e8%83%bd%e5%b0%8e%e8%87%b4%e6%98%8e%e9%a1%af%e7%9a%84%e9%95%b7%e5%90%b8%e6%b0%a3/" rel="nofollow"> Read more</a></span></p>
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				<title>MedicsKey.A started the discussion 血液容積增加會導致心室舒張末期容積（end-diastolic volume）上升，心搏量（stroke volume）增加。 in the forum 生理學</title>
				<link>https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e8%a1%80%e6%b6%b2%e5%ae%b9%e7%a9%8d%e5%a2%9e%e5%8a%a0%e6%9c%83%e5%b0%8e%e8%87%b4%e5%bf%83%e5%ae%a4%e8%88%92%e5%bc%b5%e6%9c%ab%e6%9c%9f%e5%ae%b9%e7%a9%8d%ef%bc%88end-diastolic-volume%ef%bc%89%e4%b8%8a/</link>
				<pubDate>Tue, 07 Jan 2025 14:44:02 +0800</pubDate>

									<content:encoded><![CDATA[<p class = "activity-discussion-title-wrap"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e8%a1%80%e6%b6%b2%e5%ae%b9%e7%a9%8d%e5%a2%9e%e5%8a%a0%e6%9c%83%e5%b0%8e%e8%87%b4%e5%bf%83%e5%ae%a4%e8%88%92%e5%bc%b5%e6%9c%ab%e6%9c%9f%e5%ae%b9%e7%a9%8d%ef%bc%88end-diastolic-volume%ef%bc%89%e4%b8%8a/">血液容積增加會導致心室舒張末期容積（end-diastolic volume）上升，心搏量（stroke volume）增加。</a></p> <div class="bb-content-inr-wrap"><p>11211-61 生理<br />
61.血液容積大量增加後最可能導致下列何種現象？<br />
A.心室舒張末期容積上升，心搏量增加<br />
B.心室舒張末期容積上升，心搏量減少<br />
C.心室舒張末期容積降低，心搏量增加<br />
D.心室舒張末期容積降低，心搏量減少</p>
<p>正確答案: A.心室舒張末期容積上升，心搏量增加</p>
<p>為何正確: 當血液容積大量增加時，會導致心臟回流的血液量增加，這會使心室舒張末期容積（End-Diastolic Volume, EDV）上升。根據Frank-Starling機制，心室舒張末期容積的增加會增強心肌的收縮力，從而增加心搏量（Stroke&hellip;</p>
<p><span class="activity-read-more" id="activity-read-more-697"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e8%a1%80%e6%b6%b2%e5%ae%b9%e7%a9%8d%e5%a2%9e%e5%8a%a0%e6%9c%83%e5%b0%8e%e8%87%b4%e5%bf%83%e5%ae%a4%e8%88%92%e5%bc%b5%e6%9c%ab%e6%9c%9f%e5%ae%b9%e7%a9%8d%ef%bc%88end-diastolic-volume%ef%bc%89%e4%b8%8a/" rel="nofollow"> Read more</a></span></p>
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				<title>MedicsKey.A started the discussion 下腔大靜脈（inferior vena cava）直接進入右心房，沒有瓣膜結構。 in the forum 生理學</title>
				<link>https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e4%b8%8b%e8%85%94%e5%a4%a7%e9%9d%9c%e8%84%88%ef%bc%88inferior-vena-cava%ef%bc%89%e7%9b%b4%e6%8e%a5%e9%80%b2%e5%85%a5%e5%8f%b3%e5%bf%83%e6%88%bf%ef%bc%8c%e6%b2%92%e6%9c%89%e7%93%a3%e8%86%9c%e7%b5%90/</link>
				<pubDate>Tue, 07 Jan 2025 14:38:25 +0800</pubDate>

									<content:encoded><![CDATA[<p class = "activity-discussion-title-wrap"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e4%b8%8b%e8%85%94%e5%a4%a7%e9%9d%9c%e8%84%88%ef%bc%88inferior-vena-cava%ef%bc%89%e7%9b%b4%e6%8e%a5%e9%80%b2%e5%85%a5%e5%8f%b3%e5%bf%83%e6%88%bf%ef%bc%8c%e6%b2%92%e6%9c%89%e7%93%a3%e8%86%9c%e7%b5%90/">下腔大靜脈（inferior vena cava）直接進入右心房，沒有瓣膜結構。</a></p> <div class="bb-content-inr-wrap"><p>11211-60 生理<br />
60.心臟與血管的瓣膜（valve）對於循環系統優質運作扮演著重要角色，下列敘述何者最不合理？<br />
A.二尖瓣（bicuspid valve）開啟，左心房血液可流向左心室<br />
B.主動脈半月瓣（aortic semilunar valve）開啟，左心室血液可流向全身大部分器官<br />
C.周邊股靜脈（femoral vein）瓣膜開啟，血液可流向心臟<br />
D.下腔大靜脈（inferior vena cava）接心臟處之瓣膜開啟，血液才能回流入右心房</p>
<p>正確答案: D.下腔大靜脈（inferior vena cava）接心臟處之瓣膜開啟，血液才能回流入右心房</p>
<p>為何正確: 下腔大靜脈（inferior vena&hellip;</p>
<p><span class="activity-read-more" id="activity-read-more-696"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e4%b8%8b%e8%85%94%e5%a4%a7%e9%9d%9c%e8%84%88%ef%bc%88inferior-vena-cava%ef%bc%89%e7%9b%b4%e6%8e%a5%e9%80%b2%e5%85%a5%e5%8f%b3%e5%bf%83%e6%88%bf%ef%bc%8c%e6%b2%92%e6%9c%89%e7%93%a3%e8%86%9c%e7%b5%90/" rel="nofollow"> Read more</a></span></p>
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				<title>MedicsKey.A started the discussion 脈搏壓（pulse pressure）為70 mmHg，平均動脈壓（mean arterial pressure）約為73.33 mmHg。 in the forum 生理學</title>
				<link>https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e8%84%88%e6%90%8f%e5%a3%93%ef%bc%88pulse-pressure%ef%bc%89%e7%82%ba70-mmhg%ef%bc%8c%e5%b9%b3%e5%9d%87%e5%8b%95%e8%84%88%e5%a3%93%ef%bc%88mean-arterial-pressure%ef%bc%89%e7%b4%84%e7%82%ba73-33-mmhg/</link>
				<pubDate>Tue, 07 Jan 2025 14:22:35 +0800</pubDate>

									<content:encoded><![CDATA[<p class = "activity-discussion-title-wrap"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e8%84%88%e6%90%8f%e5%a3%93%ef%bc%88pulse-pressure%ef%bc%89%e7%82%ba70-mmhg%ef%bc%8c%e5%b9%b3%e5%9d%87%e5%8b%95%e8%84%88%e5%a3%93%ef%bc%88mean-arterial-pressure%ef%bc%89%e7%b4%84%e7%82%ba73-33-mmhg/">脈搏壓（pulse pressure）為70 mmHg，平均動脈壓（mean arterial pressure）約為73.33 mmHg。</a></p> <div class="bb-content-inr-wrap"><p>11211-59 生理<br />
59.健康檢查時測量得檢測者血壓之舒張壓（diastolic pressure）為50 mmHg，收縮壓（systolic pressure）為120 mmHg，下列敘述何者正確？<br />
A.脈搏壓（pulse pressure）為 170 mmHg<br />
B.脈搏壓（pulse pressure）為 70 mmHg<br />
C.平均動脈壓（mean arterial pressure）約為 85 mmHg<br />
D.平均動脈壓（mean arterial pressure）約為 97 mmHg</p>
<p>正確答案:<br />
B.脈搏壓（pulse pressure）為 70 mmHg</p>
<p>為何正確:<br />
脈搏壓（pulse&hellip;</p>
<p><span class="activity-read-more" id="activity-read-more-695"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e8%84%88%e6%90%8f%e5%a3%93%ef%bc%88pulse-pressure%ef%bc%89%e7%82%ba70-mmhg%ef%bc%8c%e5%b9%b3%e5%9d%87%e5%8b%95%e8%84%88%e5%a3%93%ef%bc%88mean-arterial-pressure%ef%bc%89%e7%b4%84%e7%82%ba73-33-mmhg/" rel="nofollow"> Read more</a></span></p>
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				<title>MedicsKey.A started the discussion 當壓力感受器(baroreceptor)放電增加時，會引發副交感神經活化，導致心跳速率減緩（bradycardia），同時抑制交感神經活性，以降低血壓。 in the forum 生理學</title>
				<link>https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e7%95%b6%e5%a3%93%e5%8a%9b%e6%84%9f%e5%8f%97%e5%99%a8baroreceptor%e6%94%be%e9%9b%bb%e5%a2%9e%e5%8a%a0%e6%99%82%ef%bc%8c%e6%9c%83%e5%bc%95%e7%99%bc%e5%89%af%e4%ba%a4%e6%84%9f%e7%a5%9e%e7%b6%93/</link>
				<pubDate>Tue, 07 Jan 2025 14:05:21 +0800</pubDate>

									<content:encoded><![CDATA[<p class = "activity-discussion-title-wrap"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e7%95%b6%e5%a3%93%e5%8a%9b%e6%84%9f%e5%8f%97%e5%99%a8baroreceptor%e6%94%be%e9%9b%bb%e5%a2%9e%e5%8a%a0%e6%99%82%ef%bc%8c%e6%9c%83%e5%bc%95%e7%99%bc%e5%89%af%e4%ba%a4%e6%84%9f%e7%a5%9e%e7%b6%93/">當壓力感受器(baroreceptor)放電增加時，會引發副交感神經活化，導致心跳速率減緩（bradycardia），同時抑制交感神經活性，以降低血壓。</a></p> <div class="bb-content-inr-wrap"><p>11211-58 生理<br />
58.增加baroreceptor discharges 會導致下列何種生理變化？<br />
A.心跳速率減緩（bradycardia）<br />
B.心搏量（stroke volume）增加<br />
C.抑制心臟交感神經活性，但不影響心臟副交感神經活性<br />
D.抑制心臟副交感神經活性，但不影響心臟交感神經活性</p>
<p>正確答案: A.心跳速率減緩（bradycardia）</p>
<p>為何正確: 增加感壓接受器（baroreceptors）放電頻率會激活副交感神經系統（parasympathetic nervous system），並抑制交感神經系統（sympathetic nervous&hellip;</p>
<p><span class="activity-read-more" id="activity-read-more-694"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e7%95%b6%e5%a3%93%e5%8a%9b%e6%84%9f%e5%8f%97%e5%99%a8baroreceptor%e6%94%be%e9%9b%bb%e5%a2%9e%e5%8a%a0%e6%99%82%ef%bc%8c%e6%9c%83%e5%bc%95%e7%99%bc%e5%89%af%e4%ba%a4%e6%84%9f%e7%a5%9e%e7%b6%93/" rel="nofollow"> Read more</a></span></p>
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				<title>MedicsKey.A started the discussion 鐮刀型紅血球因其異常形狀較不易通過微血管，容易導致微血管堵塞。 in the forum 生理學</title>
				<link>https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e9%90%ae%e5%88%80%e5%9e%8b%e7%b4%85%e8%a1%80%e7%90%83%e5%9b%a0%e5%85%b6%e7%95%b0%e5%b8%b8%e5%bd%a2%e7%8b%80%e8%bc%83%e4%b8%8d%e6%98%93%e9%80%9a%e9%81%8e%e5%be%ae%e8%a1%80%e7%ae%a1%ef%bc%8c%e5%ae%b9/</link>
				<pubDate>Tue, 07 Jan 2025 09:49:27 +0800</pubDate>

									<content:encoded><![CDATA[<p class = "activity-discussion-title-wrap"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e9%90%ae%e5%88%80%e5%9e%8b%e7%b4%85%e8%a1%80%e7%90%83%e5%9b%a0%e5%85%b6%e7%95%b0%e5%b8%b8%e5%bd%a2%e7%8b%80%e8%bc%83%e4%b8%8d%e6%98%93%e9%80%9a%e9%81%8e%e5%be%ae%e8%a1%80%e7%ae%a1%ef%bc%8c%e5%ae%b9/">鐮刀型紅血球因其異常形狀較不易通過微血管，容易導致微血管堵塞。</a></p> <div class="bb-content-inr-wrap"><p>11211-57 生理<br />
57.下列關於鐮刀型紅血球疾病（sickle-cell disease）之敘述，何者正確？<br />
A.非遺傳疾病<br />
B.因紅血球生成素（erythropoietin）不足造成<br />
C.對於瘧疾（malaria）較不具抵抗性<br />
D.鐮刀型紅血球較不容易通過微血管</p>
<p>正確答案: D.鐮刀型紅血球較不容易通過微血管</p>
<p>為何正確: 鐮刀型紅血球疾病（sickle-cell&hellip;</p>
<p><span class="activity-read-more" id="activity-read-more-693"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e9%90%ae%e5%88%80%e5%9e%8b%e7%b4%85%e8%a1%80%e7%90%83%e5%9b%a0%e5%85%b6%e7%95%b0%e5%b8%b8%e5%bd%a2%e7%8b%80%e8%bc%83%e4%b8%8d%e6%98%93%e9%80%9a%e9%81%8e%e5%be%ae%e8%a1%80%e7%ae%a1%ef%bc%8c%e5%ae%b9/" rel="nofollow"> Read more</a></span></p>
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				<title>MedicsKey.A started the discussion ATP在肌肉滑動絲理論中促使actin與myosin的分離，是肌肉收縮循環中一個必要步驟。 in the forum 生理學</title>
				<link>https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/atp%e5%9c%a8%e8%82%8c%e8%82%89%e6%bb%91%e5%8b%95%e7%b5%b2%e7%90%86%e8%ab%96%e4%b8%ad%e4%bf%83%e4%bd%bfactin%e8%88%87myosin%e7%9a%84%e5%88%86%e9%9b%a2%ef%bc%8c%e6%98%af%e8%82%8c%e8%82%89%e6%94%b6/</link>
				<pubDate>Tue, 07 Jan 2025 09:45:19 +0800</pubDate>

									<content:encoded><![CDATA[<p class = "activity-discussion-title-wrap"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/atp%e5%9c%a8%e8%82%8c%e8%82%89%e6%bb%91%e5%8b%95%e7%b5%b2%e7%90%86%e8%ab%96%e4%b8%ad%e4%bf%83%e4%bd%bfactin%e8%88%87myosin%e7%9a%84%e5%88%86%e9%9b%a2%ef%bc%8c%e6%98%af%e8%82%8c%e8%82%89%e6%94%b6/">ATP在肌肉滑動絲理論中促使actin與myosin的分離，是肌肉收縮循環中一個必要步驟。</a></p> <div class="bb-content-inr-wrap"><p>11211-56 生理<br />
56.下列何者能直接促使骨骼肌細胞中結合的actin與myosin分離？<br />
A.ATP<br />
B.Ca2+<br />
C.myosin light-chain phosphatase<br />
D.myosin light-chain kinase</p>
<p>正確答案: A. ATP </p>
<p>為何正確:&hellip;</p>
<p><span class="activity-read-more" id="activity-read-more-692"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/atp%e5%9c%a8%e8%82%8c%e8%82%89%e6%bb%91%e5%8b%95%e7%b5%b2%e7%90%86%e8%ab%96%e4%b8%ad%e4%bf%83%e4%bd%bfactin%e8%88%87myosin%e7%9a%84%e5%88%86%e9%9b%a2%ef%bc%8c%e6%98%af%e8%82%8c%e8%82%89%e6%94%b6/" rel="nofollow"> Read more</a></span></p>
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				<title>MedicsKey.A started the discussion 支配無氧肌纖維的運動神經元較大，而支配有氧肌纖維的運動神經元較小。 in the forum 生理學</title>
				<link>https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e6%94%af%e9%85%8d%e7%84%a1%e6%b0%a7%e8%82%8c%e7%ba%96%e7%b6%ad%e7%9a%84%e9%81%8b%e5%8b%95%e7%a5%9e%e7%b6%93%e5%85%83%e8%bc%83%e5%a4%a7%ef%bc%8c%e8%80%8c%e6%94%af%e9%85%8d%e6%9c%89%e6%b0%a7%e8%82%8c/</link>
				<pubDate>Tue, 07 Jan 2025 09:41:19 +0800</pubDate>

									<content:encoded><![CDATA[<p class = "activity-discussion-title-wrap"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e6%94%af%e9%85%8d%e7%84%a1%e6%b0%a7%e8%82%8c%e7%ba%96%e7%b6%ad%e7%9a%84%e9%81%8b%e5%8b%95%e7%a5%9e%e7%b6%93%e5%85%83%e8%bc%83%e5%a4%a7%ef%bc%8c%e8%80%8c%e6%94%af%e9%85%8d%e6%9c%89%e6%b0%a7%e8%82%8c/">支配無氧肌纖維的運動神經元較大，而支配有氧肌纖維的運動神經元較小。</a></p> <div class="bb-content-inr-wrap"><p>11211-55 生理<br />
55.下列有關有氧肌與無氧肌的敘述，何者錯誤？<br />
A.有氧肌也稱為紅肌<br />
B.有氧肌纖維的直徑，一般要比無氧肌來得小<br />
C.支配有氧肌纖維的運動神經元本體，一般要比支配無氧肌纖維的來得大<br />
D.肌肉收縮時，一般會先活化有氧肌運動單位，然後才是無氧肌的運動單位</p>
<p>正確答案: C.支配有氧肌纖維的運動神經元本體，一般要比支配無氧肌纖維的來得大</p>
<p>為何正確: 支配無氧肌（白肌，fast-twitch fibers）的運動神經元本體通常較大，而支配有氧肌（紅肌，slow-twitch&hellip;</p>
<p><span class="activity-read-more" id="activity-read-more-691"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e6%94%af%e9%85%8d%e7%84%a1%e6%b0%a7%e8%82%8c%e7%ba%96%e7%b6%ad%e7%9a%84%e9%81%8b%e5%8b%95%e7%a5%9e%e7%b6%93%e5%85%83%e8%bc%83%e5%a4%a7%ef%bc%8c%e8%80%8c%e6%94%af%e9%85%8d%e6%9c%89%e6%b0%a7%e8%82%8c/" rel="nofollow"> Read more</a></span></p>
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				<title>MedicsKey.A started the discussion 接受高頻率聲波興奮的毛細胞主要位於耳蝸管（cochlea）基部。 in the forum 生理學</title>
				<link>https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e6%8e%a5%e5%8f%97%e9%ab%98%e9%a0%bb%e7%8e%87%e8%81%b2%e6%b3%a2%e8%88%88%e5%a5%ae%e7%9a%84%e6%af%9b%e7%b4%b0%e8%83%9e%e4%b8%bb%e8%a6%81%e4%bd%8d%e6%96%bc%e8%80%b3%e8%9d%b8%e7%ae%a1%ef%bc%88cochlea/</link>
				<pubDate>Tue, 07 Jan 2025 09:31:19 +0800</pubDate>

									<content:encoded><![CDATA[<p class = "activity-discussion-title-wrap"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e6%8e%a5%e5%8f%97%e9%ab%98%e9%a0%bb%e7%8e%87%e8%81%b2%e6%b3%a2%e8%88%88%e5%a5%ae%e7%9a%84%e6%af%9b%e7%b4%b0%e8%83%9e%e4%b8%bb%e8%a6%81%e4%bd%8d%e6%96%bc%e8%80%b3%e8%9d%b8%e7%ae%a1%ef%bc%88cochlea/">接受高頻率聲波興奮的毛細胞主要位於耳蝸管（cochlea）基部。</a></p> <div class="bb-content-inr-wrap"><p>11211-54 生理<br />
54.接受高頻率聲波興奮的毛細胞，主要位於何處？<br />
A.耳蝸管（cochlea）基部<br />
B.耳蝸管（cochlea）頂端<br />
C.耳蝸管（cochlea）的中央部分<br />
D.平均分布於整個耳蝸管（cochlea）</p>
<p>正確答案:<br />
A.耳蝸管（cochlea）基部</p>
<p>為何正確:<br />
高頻率聲波主要由耳蝸的基部毛細胞接收。耳蝸基部的基底膜較窄且剛性較高，適合高頻率聲音的振動。而耳蝸的頂端則感應較低頻的聲音。這種頻率分布是耳蝸調諧的基本原理。</p>
<p>選項: A<br />
詳解: 耳蝸管（cochlea）基部是接受高頻率聲波刺激的主要部位。根據貝克斯基（Georg von&hellip;</p>
<p><span class="activity-read-more" id="activity-read-more-690"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e6%8e%a5%e5%8f%97%e9%ab%98%e9%a0%bb%e7%8e%87%e8%81%b2%e6%b3%a2%e8%88%88%e5%a5%ae%e7%9a%84%e6%af%9b%e7%b4%b0%e8%83%9e%e4%b8%bb%e8%a6%81%e4%bd%8d%e6%96%bc%e8%80%b3%e8%9d%b8%e7%ae%a1%ef%bc%88cochlea/" rel="nofollow"> Read more</a></span></p>
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				<title>MedicsKey.A started the discussion 組織胺(histamine)不屬於兒茶酚胺類（catecholamine）物質。 in the forum 生理學</title>
				<link>https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e7%b5%84%e7%b9%94%e8%83%bahistamine%e4%b8%8d%e5%b1%ac%e6%96%bc%e5%85%92%e8%8c%b6%e9%85%9a%e8%83%ba%e9%a1%9e%ef%bc%88catecholamine%ef%bc%89%e7%89%a9%e8%b3%aa%e3%80%82/</link>
				<pubDate>Tue, 07 Jan 2025 09:18:22 +0800</pubDate>

									<content:encoded><![CDATA[<p class = "activity-discussion-title-wrap"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e7%b5%84%e7%b9%94%e8%83%bahistamine%e4%b8%8d%e5%b1%ac%e6%96%bc%e5%85%92%e8%8c%b6%e9%85%9a%e8%83%ba%e9%a1%9e%ef%bc%88catecholamine%ef%bc%89%e7%89%a9%e8%b3%aa%e3%80%82/">組織胺(histamine)不屬於兒茶酚胺類（catecholamine）物質。</a></p> <div class="bb-content-inr-wrap"><p>11211-53 生理<br />
53.下列何種神經傳導物質不屬於兒茶酚胺類（catecholamine）物質？<br />
A.多巴胺（dopamine）<br />
B.正腎上腺素（norepinephrine）<br />
C.腎上腺素（epinephrine）<br />
D.組織胺（histamine）</p>
<p>正確答案: D.組織胺（histamine）</p>
<p>為何正確:&hellip;</p>
<p><span class="activity-read-more" id="activity-read-more-689"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e7%b5%84%e7%b9%94%e8%83%bahistamine%e4%b8%8d%e5%b1%ac%e6%96%bc%e5%85%92%e8%8c%b6%e9%85%9a%e8%83%ba%e9%a1%9e%ef%bc%88catecholamine%ef%bc%89%e7%89%a9%e8%b3%aa%e3%80%82/" rel="nofollow"> Read more</a></span></p>
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				<title>MedicsKey.A started the discussion 在動作電位的過衝（overshoot）階段，鈉離子（Na⁺）通透性最高，而下衝（undershoot）階段則是鉀離子（K⁺）通透性最高。 in the forum 生理學</title>
				<link>https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e5%9c%a8%e5%8b%95%e4%bd%9c%e9%9b%bb%e4%bd%8d%e7%9a%84%e9%81%8e%e8%a1%9d%ef%bc%88overshoot%ef%bc%89%e9%9a%8e%e6%ae%b5%ef%bc%8c%e9%88%89%e9%9b%a2%e5%ad%90%ef%bc%88na%e2%81%ba%ef%bc%89%e9%80%9a%e9%80%8f/</link>
				<pubDate>Tue, 07 Jan 2025 09:05:19 +0800</pubDate>

									<content:encoded><![CDATA[<p class = "activity-discussion-title-wrap"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e5%9c%a8%e5%8b%95%e4%bd%9c%e9%9b%bb%e4%bd%8d%e7%9a%84%e9%81%8e%e8%a1%9d%ef%bc%88overshoot%ef%bc%89%e9%9a%8e%e6%ae%b5%ef%bc%8c%e9%88%89%e9%9b%a2%e5%ad%90%ef%bc%88na%e2%81%ba%ef%bc%89%e9%80%9a%e9%80%8f/">在動作電位的過衝（overshoot）階段，鈉離子（Na⁺）通透性最高，而下衝（undershoot）階段則是鉀離子（K⁺）通透性最高。</a></p> <div class="bb-content-inr-wrap"><p>11211-52 生理<br />
52.一般細胞膜產生的動作電位在過衝（overshoot）與下衝（undershoot）時，最常見分別對下列何種離子的通透性特別高？<br />
A.鉀離子與鈉離子<br />
B.鉀離子與鉀離子<br />
C.鈉離子與鈉離子<br />
D.鈉離子與鉀離子</p>
<p>正確答案: D.鈉離子與鉀離子</p>
<p>為何正確: 在細胞動作電位的過程中，過衝（overshoot）期間主要是鈉離子（Na+）的通透性增加，此時細胞內的電位變得比靜止電位更正，這是因為鈉離子通透性較高。下衝（undershoot）時則是鉀離子（K+）的通透性增加，使得細胞膜的電位比靜止電位更負，這是由於鉀離子通透性增加，鉀離子流出造成的。</p>
<p>選項: A.鉀離子與鈉離子<br />
詳解:&hellip;</p>
<p><span class="activity-read-more" id="activity-read-more-688"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e5%9c%a8%e5%8b%95%e4%bd%9c%e9%9b%bb%e4%bd%8d%e7%9a%84%e9%81%8e%e8%a1%9d%ef%bc%88overshoot%ef%bc%89%e9%9a%8e%e6%ae%b5%ef%bc%8c%e9%88%89%e9%9b%a2%e5%ad%90%ef%bc%88na%e2%81%ba%ef%bc%89%e9%80%9a%e9%80%8f/" rel="nofollow"> Read more</a></span></p>
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				<title>MedicsKey.A started the discussion Ia型感覺神經元會傳送肌梭被拉長（長度變化）的訊息而非梭外肌纖維的速度或張力。 in the forum 生理學</title>
				<link>https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/ia%e5%9e%8b%e6%84%9f%e8%a6%ba%e7%a5%9e%e7%b6%93%e5%85%83%e6%9c%83%e5%82%b3%e9%80%81%e8%82%8c%e6%a2%ad%e8%a2%ab%e6%8b%89%e9%95%b7%ef%bc%88%e9%95%b7%e5%ba%a6%e8%ae%8a%e5%8c%96%ef%bc%89%e7%9a%84%e8%a8%8a/</link>
				<pubDate>Tue, 07 Jan 2025 08:56:21 +0800</pubDate>

									<content:encoded><![CDATA[<p class = "activity-discussion-title-wrap"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/ia%e5%9e%8b%e6%84%9f%e8%a6%ba%e7%a5%9e%e7%b6%93%e5%85%83%e6%9c%83%e5%82%b3%e9%80%81%e8%82%8c%e6%a2%ad%e8%a2%ab%e6%8b%89%e9%95%b7%ef%bc%88%e9%95%b7%e5%ba%a6%e8%ae%8a%e5%8c%96%ef%bc%89%e7%9a%84%e8%a8%8a/">Ia型感覺神經元會傳送肌梭被拉長（長度變化）的訊息而非梭外肌纖維的速度或張力。</a></p> <div class="bb-content-inr-wrap"><p>11211-51 生理<br />
51.下列有關分布於梭內肌纖維（intrafusal muscle fiber）的Ia型感覺神經元的描述，何項最不適當？<br />
A.不能向中樞傳送梭外肌纖維（extrafusal muscle fiber）被拉長之速度或張力的訊息<br />
B.該型感覺神經元的感受器分布在每一種型態的梭內肌纖維的中央部位<br />
C.當 dynamic gamma motor neuron 被刺激的情況下，能使分布於同一梭內肌纖維的Ia型感覺神經元對該肌纖維被拉長的速度會更加敏感<br />
D.當gamma motor neuron 被刺激的情況下，可使分布於同一梭內肌纖維的Ia型感覺神經元對該肌纖維被拉長的刺激會更加敏感</p>
<p>正確答案: A.不能向中樞傳送梭外肌纖維（extrafusal&hellip;</p>
<p><span class="activity-read-more" id="activity-read-more-687"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/ia%e5%9e%8b%e6%84%9f%e8%a6%ba%e7%a5%9e%e7%b6%93%e5%85%83%e6%9c%83%e5%82%b3%e9%80%81%e8%82%8c%e6%a2%ad%e8%a2%ab%e6%8b%89%e9%95%b7%ef%bc%88%e9%95%b7%e5%ba%a6%e8%ae%8a%e5%8c%96%ef%bc%89%e7%9a%84%e8%a8%8a/" rel="nofollow"> Read more</a></span></p>
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				<title>MedicsKey.A started the discussion 逆行性失憶(retrograde amnesia)是指失去事件發生前的記憶。 in the forum 生理學</title>
				<link>https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e9%80%86%e8%a1%8c%e6%80%a7%e5%a4%b1%e6%86%b6retrograde-amnesia%e6%98%af%e6%8c%87%e5%a4%b1%e5%8e%bb%e4%ba%8b%e4%bb%b6%e7%99%bc%e7%94%9f%e5%89%8d%e7%9a%84%e8%a8%98%e6%86%b6%e3%80%82/</link>
				<pubDate>Tue, 07 Jan 2025 07:24:19 +0800</pubDate>

									<content:encoded><![CDATA[<p class = "activity-discussion-title-wrap"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e9%80%86%e8%a1%8c%e6%80%a7%e5%a4%b1%e6%86%b6retrograde-amnesia%e6%98%af%e6%8c%87%e5%a4%b1%e5%8e%bb%e4%ba%8b%e4%bb%b6%e7%99%bc%e7%94%9f%e5%89%8d%e7%9a%84%e8%a8%98%e6%86%b6%e3%80%82/">逆行性失憶(retrograde amnesia)是指失去事件發生前的記憶。</a></p> <div class="bb-content-inr-wrap"><p>11211-50 生理<br />
50.一位被診斷為重鬱症、對第一線和第二線藥物反應不佳且有重複自殺嘗試的病人，醫師決定給予電痙攣治療（electroconvulsive therapy）。病人對於每天治療前兩小時內發生的事幾乎都無法回憶，但意識恢復後的學習記憶皆屬正常。上述這種短期失憶應稱為：<br />
A.retrograde amnesia&hellip;</p>
<p><span class="activity-read-more" id="activity-read-more-686"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e9%80%86%e8%a1%8c%e6%80%a7%e5%a4%b1%e6%86%b6retrograde-amnesia%e6%98%af%e6%8c%87%e5%a4%b1%e5%8e%bb%e4%ba%8b%e4%bb%b6%e7%99%bc%e7%94%9f%e5%89%8d%e7%9a%84%e8%a8%98%e6%86%b6%e3%80%82/" rel="nofollow"> Read more</a></span></p>
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				<title>MedicsKey.A started the discussion 順行性失憶症（anterograde amnesia）是指患者無法形成新的記憶，即在事件或治療後不能記住新資訊。 in the forum 生理學</title>
				<link>https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e9%a0%86%e8%a1%8c%e6%80%a7%e5%a4%b1%e6%86%b6%e7%97%87%ef%bc%88anterograde-amnesia%ef%bc%89%e6%98%af%e6%8c%87%e6%82%a3%e8%80%85%e7%84%a1%e6%b3%95%e5%bd%a2%e6%88%90%e6%96%b0%e7%9a%84%e8%a8%98%e6%86%b6/</link>
				<pubDate>Tue, 07 Jan 2025 07:21:21 +0800</pubDate>

									<content:encoded><![CDATA[<p class = "activity-discussion-title-wrap"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e9%a0%86%e8%a1%8c%e6%80%a7%e5%a4%b1%e6%86%b6%e7%97%87%ef%bc%88anterograde-amnesia%ef%bc%89%e6%98%af%e6%8c%87%e6%82%a3%e8%80%85%e7%84%a1%e6%b3%95%e5%bd%a2%e6%88%90%e6%96%b0%e7%9a%84%e8%a8%98%e6%86%b6/">順行性失憶症（anterograde amnesia）是指患者無法形成新的記憶，即在事件或治療後不能記住新資訊。</a></p> <div class="bb-content-inr-wrap"><p>11211-50 生理<br />
50.一位被診斷為重鬱症、對第一線和第二線藥物反應不佳且有重複自殺嘗試的病人，醫師決定給予電痙攣治療（electroconvulsive therapy）。病人對於每天治療前兩小時內發生的事幾乎都無法回憶，但意識恢復後的學習記憶皆屬正常。上述這種短期失憶應稱為：<br />
A.retrograde amnesia&hellip;</p>
<p><span class="activity-read-more" id="activity-read-more-685"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e9%a0%86%e8%a1%8c%e6%80%a7%e5%a4%b1%e6%86%b6%e7%97%87%ef%bc%88anterograde-amnesia%ef%bc%89%e6%98%af%e6%8c%87%e6%82%a3%e8%80%85%e7%84%a1%e6%b3%95%e5%bd%a2%e6%88%90%e6%96%b0%e7%9a%84%e8%a8%98%e6%86%b6/" rel="nofollow"> Read more</a></span></p>
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				<title>MedicsKey.A started the discussion 右側頂葉(parietal lobe)損傷可能導致左側空間忽略症(spatial neglect)。 in the forum 生理學</title>
				<link>https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e5%8f%b3%e5%81%b4%e9%a0%82%e8%91%89parietal-lobe%e6%90%8d%e5%82%b7%e5%8f%af%e8%83%bd%e5%b0%8e%e8%87%b4%e5%b7%a6%e5%81%b4%e7%a9%ba%e9%96%93%e5%bf%bd%e7%95%a5%e7%97%87spatial-neglect%e3%80%82/</link>
				<pubDate>Tue, 07 Jan 2025 07:15:18 +0800</pubDate>

									<content:encoded><![CDATA[<p class = "activity-discussion-title-wrap"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e5%8f%b3%e5%81%b4%e9%a0%82%e8%91%89parietal-lobe%e6%90%8d%e5%82%b7%e5%8f%af%e8%83%bd%e5%b0%8e%e8%87%b4%e5%b7%a6%e5%81%b4%e7%a9%ba%e9%96%93%e5%bf%bd%e7%95%a5%e7%97%87spatial-neglect%e3%80%82/">右側頂葉(parietal lobe)損傷可能導致左側空間忽略症(spatial neglect)。</a></p> <div class="bb-content-inr-wrap"><p>11211-49 生理<br />
49.被診斷成unilaterally left visual neglect，但視網膜和視神經皆健全正常的病人，模仿繪圖時將左邊畫紙留白，對鏡中自己化妝只上右臉的妝、左臉留素顏，這些症狀描述最可能的腦傷在下列何處？<br />
A.右側頂葉<br />
B.左側頂葉<br />
C.右側枕葉<br />
D.左側枕葉</p>
<p>正確答案: A.右側頂葉</p>
<p>為何正確: 單側忽略症候群（unilateral neglect）是由腦部損傷造成的一種注意力障礙，通常發生在大腦的非優勢半球，通常是右側頂葉（parietal&hellip;</p>
<p><span class="activity-read-more" id="activity-read-more-684"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e5%8f%b3%e5%81%b4%e9%a0%82%e8%91%89parietal-lobe%e6%90%8d%e5%82%b7%e5%8f%af%e8%83%bd%e5%b0%8e%e8%87%b4%e5%b7%a6%e5%81%b4%e7%a9%ba%e9%96%93%e5%bf%bd%e7%95%a5%e7%97%87spatial-neglect%e3%80%82/" rel="nofollow"> Read more</a></span></p>
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				<title>MedicsKey.A started the discussion 冷水灌耳（Cold caloric test）時，眼震（nystagmus）的方向會與冷水注入耳相反。 in the forum 生理學</title>
				<link>https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e5%86%b7%e6%b0%b4%e7%81%8c%e8%80%b3%ef%bc%88cold-caloric-test%ef%bc%89%e6%99%82%ef%bc%8c%e7%9c%bc%e9%9c%87%ef%bc%88nystagmus%ef%bc%89%e7%9a%84%e6%96%b9%e5%90%91%e6%9c%83%e8%88%87%e5%86%b7%e6%b0%b4/</link>
				<pubDate>Tue, 07 Jan 2025 07:05:18 +0800</pubDate>

									<content:encoded><![CDATA[<p class = "activity-discussion-title-wrap"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e5%86%b7%e6%b0%b4%e7%81%8c%e8%80%b3%ef%bc%88cold-caloric-test%ef%bc%89%e6%99%82%ef%bc%8c%e7%9c%bc%e9%9c%87%ef%bc%88nystagmus%ef%bc%89%e7%9a%84%e6%96%b9%e5%90%91%e6%9c%83%e8%88%87%e5%86%b7%e6%b0%b4/">冷水灌耳（Cold caloric test）時，眼震（nystagmus）的方向會與冷水注入耳相反。</a></p> <div class="bb-content-inr-wrap"><p>11211-48 生理<br />
48.眼震（nystagmus）常被用以反映vestibular system&hellip;</p>
<p><span class="activity-read-more" id="activity-read-more-683"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e5%86%b7%e6%b0%b4%e7%81%8c%e8%80%b3%ef%bc%88cold-caloric-test%ef%bc%89%e6%99%82%ef%bc%8c%e7%9c%bc%e9%9c%87%ef%bc%88nystagmus%ef%bc%89%e7%9a%84%e6%96%b9%e5%90%91%e6%9c%83%e8%88%87%e5%86%b7%e6%b0%b4/" rel="nofollow"> Read more</a></span></p>
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				<title>MedicsKey.A started the discussion 細胞分裂時由中心體發出的紡綞絲是由微管（microtubule）組成的。 in the forum 生理學</title>
				<link>https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e7%b4%b0%e8%83%9e%e5%88%86%e8%a3%82%e6%99%82%e7%94%b1%e4%b8%ad%e5%bf%83%e9%ab%94%e7%99%bc%e5%87%ba%e7%9a%84%e7%b4%a1%e7%b6%9e%e7%b5%b2%e6%98%af%e7%94%b1%e5%be%ae%e7%ae%a1%ef%bc%88microtubule%ef%bc%89/</link>
				<pubDate>Tue, 07 Jan 2025 06:55:18 +0800</pubDate>

									<content:encoded><![CDATA[<p class = "activity-discussion-title-wrap"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e7%b4%b0%e8%83%9e%e5%88%86%e8%a3%82%e6%99%82%e7%94%b1%e4%b8%ad%e5%bf%83%e9%ab%94%e7%99%bc%e5%87%ba%e7%9a%84%e7%b4%a1%e7%b6%9e%e7%b5%b2%e6%98%af%e7%94%b1%e5%be%ae%e7%ae%a1%ef%bc%88microtubule%ef%bc%89/">細胞分裂時由中心體發出的紡綞絲是由微管（microtubule）組成的。</a></p> <div class="bb-content-inr-wrap"><p>11211-47 生理<br />
47.細胞分裂時由中心體發出的紡綞絲，是由下列何種細胞支架（cytoskeleton）組成？<br />
A.肌動蛋白絲（actin filament）<br />
B.肌凝蛋白絲（myosin filament）<br />
C.中間絲（intermediate filament）<br />
D.微管（microtubule）</p>
<p>正確答案: D.微管（microtubule）</p>
<p>為何正確: 在細胞分裂過程中，紡綞絲是由微管（microtubule）組成的。微管是細胞骨架的一部分，負責形成紡綞絲，這些結構在細胞分裂的有絲分裂和減數分裂中負責分離染色體。微管的動態聚合和去聚合是驅動染色體運動和分離的重要過程。</p>
<p>選項: A.肌動蛋白絲（actin&hellip;</p>
<p><span class="activity-read-more" id="activity-read-more-682"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e7%b4%b0%e8%83%9e%e5%88%86%e8%a3%82%e6%99%82%e7%94%b1%e4%b8%ad%e5%bf%83%e9%ab%94%e7%99%bc%e5%87%ba%e7%9a%84%e7%b4%a1%e7%b6%9e%e7%b5%b2%e6%98%af%e7%94%b1%e5%be%ae%e7%ae%a1%ef%bc%88microtubule%ef%bc%89/" rel="nofollow"> Read more</a></span></p>
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				<title>MedicsKey.A started the discussion 胎兒血紅蛋白（HbF）對氧的親和力更強，因為胎兒和母體使用不同的血紅蛋白，胎兒血紅蛋白由α2-γ2鏈組成，而成年人的血紅蛋白由α2-β2鏈組成。 in the forum 生理學</title>
				<link>https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e8%83%8e%e5%85%92%e8%a1%80%e7%b4%85%e8%9b%8b%e7%99%bd%ef%bc%88hbf%ef%bc%89%e5%b0%8d%e6%b0%a7%e7%9a%84%e8%a6%aa%e5%92%8c%e5%8a%9b%e6%9b%b4%e5%bc%b7%ef%bc%8c%e5%9b%a0%e7%82%ba%e8%83%8e%e5%85%92/</link>
				<pubDate>Wed, 18 Dec 2024 02:23:17 +0800</pubDate>

									<content:encoded><![CDATA[<p class = "activity-discussion-title-wrap"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e8%83%8e%e5%85%92%e8%a1%80%e7%b4%85%e8%9b%8b%e7%99%bd%ef%bc%88hbf%ef%bc%89%e5%b0%8d%e6%b0%a7%e7%9a%84%e8%a6%aa%e5%92%8c%e5%8a%9b%e6%9b%b4%e5%bc%b7%ef%bc%8c%e5%9b%a0%e7%82%ba%e8%83%8e%e5%85%92/">胎兒血紅蛋白（HbF）對氧的親和力更強，因為胎兒和母體使用不同的血紅蛋白，胎兒血紅蛋白由α2-γ2鏈組成，而成年人的血紅蛋白由α2-β2鏈組成。</a></p> <div class="bb-content-inr-wrap"><p>11221-74 生理<br />
74.母體血液中的氧可以輸送給胎兒，是因為胎兒的血紅蛋白（hemoglobin）對氧氣的結合力比母體強，造成此差異之原因為何？<br />
A.胎兒心跳速率高於母體<br />
B.胎兒和母體使用不同的血紅蛋白<br />
C.胎兒體內含氧量與母體不同<br />
D.胎兒體內產生較多的血紅蛋白</p>
<p>正確答案: B. 胎兒和母體使用不同的血紅蛋白</p>
<p>為何正確:&hellip;</p>
<p><span class="activity-read-more" id="activity-read-more-503"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e8%83%8e%e5%85%92%e8%a1%80%e7%b4%85%e8%9b%8b%e7%99%bd%ef%bc%88hbf%ef%bc%89%e5%b0%8d%e6%b0%a7%e7%9a%84%e8%a6%aa%e5%92%8c%e5%8a%9b%e6%9b%b4%e5%bc%b7%ef%bc%8c%e5%9b%a0%e7%82%ba%e8%83%8e%e5%85%92/" rel="nofollow"> Read more</a></span></p>
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				<title>MedicsKey.A started the discussion 胚胎性別分化最相關的是抗穆勒管激素（Müllerian-inhibiting substance, MIS）。 in the forum 生理學</title>
				<link>https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e8%83%9a%e8%83%8e%e6%80%a7%e5%88%a5%e5%88%86%e5%8c%96%e6%9c%80%e7%9b%b8%e9%97%9c%e7%9a%84%e6%98%af%e6%8a%97%e7%a9%86%e5%8b%92%e7%ae%a1%e6%bf%80%e7%b4%a0%ef%bc%88mullerian-inhibiting-substance-mis/</link>
				<pubDate>Wed, 18 Dec 2024 02:21:17 +0800</pubDate>

									<content:encoded><![CDATA[<p class = "activity-discussion-title-wrap"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e8%83%9a%e8%83%8e%e6%80%a7%e5%88%a5%e5%88%86%e5%8c%96%e6%9c%80%e7%9b%b8%e9%97%9c%e7%9a%84%e6%98%af%e6%8a%97%e7%a9%86%e5%8b%92%e7%ae%a1%e6%bf%80%e7%b4%a0%ef%bc%88mullerian-inhibiting-substance-mis/">胚胎性別分化最相關的是抗穆勒管激素（Müllerian-inhibiting substance, MIS）。</a></p> <div class="bb-content-inr-wrap"><p>11221-73 生理<br />
73.下列何者與胚胎性別分化（sex differentiation）最相關 ？<br />
A.Müllerian-inhibiting substance（MIS）<br />
B.follicle-stimulating hormone（FSH）<br />
C.androgen-binding protein<br />
D.inhibin</p>
<p>正確答案: A. Müllerian-inhibiting substance (MIS)</p>
<p>為何正確: Müllerian-inhibiting substance（MIS）在胚胎發育中是由男性胚胎的塞爾托利氏細胞（Sertoli&hellip;</p>
<p><span class="activity-read-more" id="activity-read-more-502"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e8%83%9a%e8%83%8e%e6%80%a7%e5%88%a5%e5%88%86%e5%8c%96%e6%9c%80%e7%9b%b8%e9%97%9c%e7%9a%84%e6%98%af%e6%8a%97%e7%a9%86%e5%8b%92%e7%ae%a1%e6%bf%80%e7%b4%a0%ef%bc%88mullerian-inhibiting-substance-mis/" rel="nofollow"> Read more</a></span></p>
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				<title>MedicsKey.A started the discussion 卵巢顆粒細胞（granulosa cells）類固醇生成活性低落會導致雌激素（estrogen）減少，進而增加骨吸收（bone resorption）。 in the forum 生理學</title>
				<link>https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e5%8d%b5%e5%b7%a2%e9%a1%86%e7%b2%92%e7%b4%b0%e8%83%9e%ef%bc%88granulosa-cells%ef%bc%89%e9%a1%9e%e5%9b%ba%e9%86%87%e7%94%9f%e6%88%90%e6%b4%bb%e6%80%a7%e4%bd%8e%e8%90%bd%e6%9c%83%e5%b0%8e%e8%87%b4/</link>
				<pubDate>Wed, 18 Dec 2024 02:17:18 +0800</pubDate>

									<content:encoded><![CDATA[<p class = "activity-discussion-title-wrap"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e5%8d%b5%e5%b7%a2%e9%a1%86%e7%b2%92%e7%b4%b0%e8%83%9e%ef%bc%88granulosa-cells%ef%bc%89%e9%a1%9e%e5%9b%ba%e9%86%87%e7%94%9f%e6%88%90%e6%b4%bb%e6%80%a7%e4%bd%8e%e8%90%bd%e6%9c%83%e5%b0%8e%e8%87%b4/">卵巢顆粒細胞（granulosa cells）類固醇生成活性低落會導致雌激素（estrogen）減少，進而增加骨吸收（bone resorption）。</a></p> <div class="bb-content-inr-wrap"><p>11221-72 生理<br />
72.卵巢顆粒細胞（granulosa cells）的類固醇生成（steroidogenesis）活性低落，最可能引發下列何種情況？<br />
A.增進子宮內膜層增生<br />
B.骨吸收（bone resorption）增加<br />
C.血液中濾泡促素（FSH）含量降低<br />
D.血液中黃體生成素（LH）含量降低</p>
<p>正確答案: B.骨吸收（bone resorption）增加</p>
<p>為何正確: 卵巢顆粒細胞（granulosa&hellip;</p>
<p><span class="activity-read-more" id="activity-read-more-501"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e5%8d%b5%e5%b7%a2%e9%a1%86%e7%b2%92%e7%b4%b0%e8%83%9e%ef%bc%88granulosa-cells%ef%bc%89%e9%a1%9e%e5%9b%ba%e9%86%87%e7%94%9f%e6%88%90%e6%b4%bb%e6%80%a7%e4%bd%8e%e8%90%bd%e6%9c%83%e5%b0%8e%e8%87%b4/" rel="nofollow"> Read more</a></span></p>
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				<title>MedicsKey.A started the discussion 醛固酮（aldosterone）主要由腎上腺的絲球帶（zona glomerulosa）分泌。 in the forum 生理學</title>
				<link>https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e9%86%9b%e5%9b%ba%e9%85%ae%ef%bc%88aldosterone%ef%bc%89%e4%b8%bb%e8%a6%81%e7%94%b1%e8%85%8e%e4%b8%8a%e8%85%ba%e7%9a%84%e7%b5%b2%e7%90%83%e5%b8%b6%ef%bc%88zona-glomerulosa%ef%bc%89%e5%88%86%e6%b3%8c/</link>
				<pubDate>Tue, 17 Dec 2024 16:31:15 +0800</pubDate>

									<content:encoded><![CDATA[<p class = "activity-discussion-title-wrap"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e9%86%9b%e5%9b%ba%e9%85%ae%ef%bc%88aldosterone%ef%bc%89%e4%b8%bb%e8%a6%81%e7%94%b1%e8%85%8e%e4%b8%8a%e8%85%ba%e7%9a%84%e7%b5%b2%e7%90%83%e5%b8%b6%ef%bc%88zona-glomerulosa%ef%bc%89%e5%88%86%e6%b3%8c/">醛固酮（aldosterone）主要由腎上腺的絲球帶（zona glomerulosa）分泌。</a></p> <div class="bb-content-inr-wrap"><p>11221-71 生理<br />
71.醛固酮（aldosterone）主要是從腎上腺的何處分泌？<br />
A.絲球帶（zona glomerulosa）<br />
B.囊狀帶（zona fasciculata）<br />
C.網狀帶（zona reticularis）<br />
D.髓質（medulla）</p>
<p>正確答案: A.絲球帶（zona glomerulosa）</p>
<p>為何正確: 醛固酮（aldosterone）是腎上腺皮質激素中的一種，主要由腎上腺的絲球帶（zona&hellip;</p>
<p><span class="activity-read-more" id="activity-read-more-500"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e9%86%9b%e5%9b%ba%e9%85%ae%ef%bc%88aldosterone%ef%bc%89%e4%b8%bb%e8%a6%81%e7%94%b1%e8%85%8e%e4%b8%8a%e8%85%ba%e7%9a%84%e7%b5%b2%e7%90%83%e5%b8%b6%ef%bc%88zona-glomerulosa%ef%bc%89%e5%88%86%e6%b3%8c/" rel="nofollow"> Read more</a></span></p>
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				<title>MedicsKey.A started the discussion SGLT（鈉依賴葡萄糖共同轉運蛋白）主要經由次級主動運輸（secondary active transport）運送葡萄糖進入細胞，分布在腸道和腎臟，胰島素不直接調控其作用，第二型SGLT抑制劑可降低血糖。 in the forum 生理學</title>
				<link>https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/sglt%ef%bc%88%e9%88%89%e4%be%9d%e8%b3%b4%e8%91%a1%e8%90%84%e7%b3%96%e5%85%b1%e5%90%8c%e8%bd%89%e9%81%8b%e8%9b%8b%e7%99%bd%ef%bc%89%e4%b8%bb%e8%a6%81%e7%b6%93%e7%94%b1%e6%ac%a1%e7%b4%9a%e4%b8%bb/</link>
				<pubDate>Tue, 17 Dec 2024 16:21:28 +0800</pubDate>

									<content:encoded><![CDATA[<p class = "activity-discussion-title-wrap"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/sglt%ef%bc%88%e9%88%89%e4%be%9d%e8%b3%b4%e8%91%a1%e8%90%84%e7%b3%96%e5%85%b1%e5%90%8c%e8%bd%89%e9%81%8b%e8%9b%8b%e7%99%bd%ef%bc%89%e4%b8%bb%e8%a6%81%e7%b6%93%e7%94%b1%e6%ac%a1%e7%b4%9a%e4%b8%bb/">SGLT（鈉依賴葡萄糖共同轉運蛋白）主要經由次級主動運輸（secondary active transport）運送葡萄糖進入細胞，分布在腸道和腎臟，胰島素不直接調控其作用，第二型SGLT抑制劑可降低血糖。</a></p> <div class="bb-content-inr-wrap"><p>11221-69 生理<br />
69.有關鈉依賴葡萄糖共同轉運蛋白（SGLT）的敘述，下列何者最適當？<br />
A.SGLT 運送葡萄糖進入細胞通常是經由促進性擴散（facilitated diffusion）作用<br />
B.SGLT 主要分布在肝臟及脂肪組織<br />
C.胰島素通常不直接調控SGLT運送葡萄糖之作用<br />
D.給與第二型SGLT抑制劑通常會導致血糖升高</p>
<p>正確答案: C. 胰島素通常不直接調控SGLT運送葡萄糖之作用</p>
<p>為何正確:&hellip;</p>
<p><span class="activity-read-more" id="activity-read-more-499"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/sglt%ef%bc%88%e9%88%89%e4%be%9d%e8%b3%b4%e8%91%a1%e8%90%84%e7%b3%96%e5%85%b1%e5%90%8c%e8%bd%89%e9%81%8b%e8%9b%8b%e7%99%bd%ef%bc%89%e4%b8%bb%e8%a6%81%e7%b6%93%e7%94%b1%e6%ac%a1%e7%b4%9a%e4%b8%bb/" rel="nofollow"> Read more</a></span></p>
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				<title>MedicsKey.A started the discussion 長期生長激素（growth hormone）分泌不足會導致低血糖。 in the forum 生理學</title>
				<link>https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e9%95%b7%e6%9c%9f%e7%94%9f%e9%95%b7%e6%bf%80%e7%b4%a0%ef%bc%88growth-hormone%ef%bc%89%e5%88%86%e6%b3%8c%e4%b8%8d%e8%b6%b3%e6%9c%83%e5%b0%8e%e8%87%b4%e4%bd%8e%e8%a1%80%e7%b3%96%e3%80%82/</link>
				<pubDate>Tue, 17 Dec 2024 16:18:43 +0800</pubDate>

									<content:encoded><![CDATA[<p class = "activity-discussion-title-wrap"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e9%95%b7%e6%9c%9f%e7%94%9f%e9%95%b7%e6%bf%80%e7%b4%a0%ef%bc%88growth-hormone%ef%bc%89%e5%88%86%e6%b3%8c%e4%b8%8d%e8%b6%b3%e6%9c%83%e5%b0%8e%e8%87%b4%e4%bd%8e%e8%a1%80%e7%b3%96%e3%80%82/">長期生長激素（growth hormone）分泌不足會導致低血糖。</a></p> <div class="bb-content-inr-wrap"><p>11221-68 生理<br />
68.有關生長激素（growth hormone）的作用，下列敘述何者錯誤？<br />
A.二聚合作用（dimerization）是活化其受體必要步驟<br />
B.生長激素分泌過多，會增加身體蛋白質的合成作用<br />
C.使用體抑素（somatostatin）可以用來治療肢端肥大症（acromegaly）<br />
D.長期生長激素分泌不足，會造成血糖升高</p>
<p>正確答案: D.長期生長激素分泌不足，會造成血糖升高</p>
<p>為何正確: 生長激素（growth&hellip;</p>
<p><span class="activity-read-more" id="activity-read-more-498"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e9%95%b7%e6%9c%9f%e7%94%9f%e9%95%b7%e6%bf%80%e7%b4%a0%ef%bc%88growth-hormone%ef%bc%89%e5%88%86%e6%b3%8c%e4%b8%8d%e8%b6%b3%e6%9c%83%e5%b0%8e%e8%87%b4%e4%bd%8e%e8%a1%80%e7%b3%96%e3%80%82/" rel="nofollow"> Read more</a></span></p>
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				<title>MedicsKey.A started the discussion 催產素（oxytocin）促進子宮平滑肌收縮的作用會被黃體素（progesterone）的作用所抑制。 in the forum 生理學</title>
				<link>https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e5%82%ac%e7%94%a2%e7%b4%a0%ef%bc%88oxytocin%ef%bc%89%e4%bf%83%e9%80%b2%e5%ad%90%e5%ae%ae%e5%b9%b3%e6%bb%91%e8%82%8c%e6%94%b6%e7%b8%ae%e7%9a%84%e4%bd%9c%e7%94%a8%e6%9c%83%e8%a2%ab%e9%bb%83%e9%ab%94/</link>
				<pubDate>Tue, 17 Dec 2024 16:18:39 +0800</pubDate>

									<content:encoded><![CDATA[<p class = "activity-discussion-title-wrap"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e5%82%ac%e7%94%a2%e7%b4%a0%ef%bc%88oxytocin%ef%bc%89%e4%bf%83%e9%80%b2%e5%ad%90%e5%ae%ae%e5%b9%b3%e6%bb%91%e8%82%8c%e6%94%b6%e7%b8%ae%e7%9a%84%e4%bd%9c%e7%94%a8%e6%9c%83%e8%a2%ab%e9%bb%83%e9%ab%94/">催產素（oxytocin）促進子宮平滑肌收縮的作用會被黃體素（progesterone）的作用所抑制。</a></p> <div class="bb-content-inr-wrap"><p>11221-67 生理<br />
67.有關催產素（oxytocin）作用的敘述，下列何者錯誤？<br />
A.催產素是造成排乳（milk ejection）作用的主要荷爾蒙<br />
B.在產後，催產素分泌作用可由嬰兒吸吮乳房所誘發<br />
C.催產素促進子宮平滑肌收縮的作用，會被黃體素（progesterone）的作用所刺激<br />
D.在分娩期間，催產素分泌調控屬於正向回饋調控機轉</p>
<p>正確答案:&hellip;</p>
<p><span class="activity-read-more" id="activity-read-more-497"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e5%82%ac%e7%94%a2%e7%b4%a0%ef%bc%88oxytocin%ef%bc%89%e4%bf%83%e9%80%b2%e5%ad%90%e5%ae%ae%e5%b9%b3%e6%bb%91%e8%82%8c%e6%94%b6%e7%b8%ae%e7%9a%84%e4%bd%9c%e7%94%a8%e6%9c%83%e8%a2%ab%e9%bb%83%e9%ab%94/" rel="nofollow"> Read more</a></span></p>
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				<title>MedicsKey.A started the discussion 催產素（oxytocin）促進子宮平滑肌收縮的作用會被黃體素（progesterone）的作用所抑制。 in the forum 生理學</title>
				<link>https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e5%82%ac%e7%94%a2%e7%b4%a0%ef%bc%88oxytocin%ef%bc%89%e4%bf%83%e9%80%b2%e5%ad%90%e5%ae%ae%e5%b9%b3%e6%bb%91%e8%82%8c%e6%94%b6%e7%b8%ae%e7%9a%84%e4%bd%9c%e7%94%a8%e6%9c%83%e8%a2%ab%e9%bb%83%e9%ab%94-2/</link>
				<pubDate>Tue, 17 Dec 2024 16:18:39 +0800</pubDate>

									<content:encoded><![CDATA[<p class = "activity-discussion-title-wrap"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e5%82%ac%e7%94%a2%e7%b4%a0%ef%bc%88oxytocin%ef%bc%89%e4%bf%83%e9%80%b2%e5%ad%90%e5%ae%ae%e5%b9%b3%e6%bb%91%e8%82%8c%e6%94%b6%e7%b8%ae%e7%9a%84%e4%bd%9c%e7%94%a8%e6%9c%83%e8%a2%ab%e9%bb%83%e9%ab%94-2/">催產素（oxytocin）促進子宮平滑肌收縮的作用會被黃體素（progesterone）的作用所抑制。</a></p> <div class="bb-content-inr-wrap"><p>11221-67 生理<br />
67.有關催產素（oxytocin）作用的敘述，下列何者錯誤？<br />
A.催產素是造成排乳（milk ejection）作用的主要荷爾蒙<br />
B.在產後，催產素分泌作用可由嬰兒吸吮乳房所誘發<br />
C.催產素促進子宮平滑肌收縮的作用，會被黃體素（progesterone）的作用所刺激<br />
D.在分娩期間，催產素分泌調控屬於正向回饋調控機轉</p>
<p>正確答案:&hellip;</p>
<p><span class="activity-read-more" id="activity-read-more-496"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e5%82%ac%e7%94%a2%e7%b4%a0%ef%bc%88oxytocin%ef%bc%89%e4%bf%83%e9%80%b2%e5%ad%90%e5%ae%ae%e5%b9%b3%e6%bb%91%e8%82%8c%e6%94%b6%e7%b8%ae%e7%9a%84%e4%bd%9c%e7%94%a8%e6%9c%83%e8%a2%ab%e9%bb%83%e9%ab%94-2/" rel="nofollow"> Read more</a></span></p>
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				<title>MedicsKey.A started the discussion 貝氏症候群（Bartter syndrome）主要與亨利氏上升厚小管（thick ascending limb, Henle&#039;s loop）的Na+-K+-2Cl- cotransporter（NKCC2）、ClC-Kb Cl- channels以及ROMK K+ channels異常有關，而非Na+-Cl- cotransporter，其主要位於遠曲小管（distal convoluted tubule）。 in the forum 生理學</title>
				<link>https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e8%b2%9d%e6%b0%8f%e7%97%87%e5%80%99%e7%be%a4%ef%bc%88bartter-syndrome%ef%bc%89%e4%b8%bb%e8%a6%81%e8%88%87%e4%ba%a8%e5%88%a9%e6%b0%8f%e4%b8%8a%e5%8d%87%e5%8e%9a%e5%b0%8f%e7%ae%a1%ef%bc%88thick-ascendi/</link>
				<pubDate>Tue, 17 Dec 2024 16:12:23 +0800</pubDate>

									<content:encoded><![CDATA[<p class = "activity-discussion-title-wrap"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e8%b2%9d%e6%b0%8f%e7%97%87%e5%80%99%e7%be%a4%ef%bc%88bartter-syndrome%ef%bc%89%e4%b8%bb%e8%a6%81%e8%88%87%e4%ba%a8%e5%88%a9%e6%b0%8f%e4%b8%8a%e5%8d%87%e5%8e%9a%e5%b0%8f%e7%ae%a1%ef%bc%88thick-ascendi/">貝氏症候群（Bartter syndrome）主要與亨利氏上升厚小管（thick ascending limb, Henle's loop）的Na+-K+-2Cl- cotransporter（NKCC2）、ClC-Kb Cl- channels以及ROMK K+ channels異常有關，而非Na+-Cl- cotransporter，其主要位於遠曲小管（distal convoluted tubule）。</a></p> <div class="bb-content-inr-wrap"><p>11221-66 生理<br />
66.貝氏症候群（Bartter syndrome）致病機轉主要因亨利氏上升厚小管（thick ascending limb, Henle&#8217;s loop）之載體（transporters）或通道（channels）發生問題所致。這些載體或通道最不可能包括下列何者？<br />
A.Na+-Cl  cotransporter<br />
B.Na+-K+-2Cl contrasporter（NKCC2）<br />
C.ClC-Kb Cl- channels<br />
D.ROMK K+ channels</p>
<p>正確答案: A.Na+-Cl cotransporter</p>
<p>為何正確: 貝氏症候群（Bartter syndrome）主要影響的是亨利氏上升厚小管（thick ascending&hellip;</p>
<p><span class="activity-read-more" id="activity-read-more-495"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e8%b2%9d%e6%b0%8f%e7%97%87%e5%80%99%e7%be%a4%ef%bc%88bartter-syndrome%ef%bc%89%e4%b8%bb%e8%a6%81%e8%88%87%e4%ba%a8%e5%88%a9%e6%b0%8f%e4%b8%8a%e5%8d%87%e5%8e%9a%e5%b0%8f%e7%ae%a1%ef%bc%88thick-ascendi/" rel="nofollow"> Read more</a></span></p>
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				<title>MedicsKey.A started the discussion 碳酸酐酵素（carbonic anhydrase）在胃酸生成中起重要作用，參與氫離子的產生，使胃酸的生成得以進行。 in the forum 生理學</title>
				<link>https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e7%a2%b3%e9%85%b8%e9%85%90%e9%85%b5%e7%b4%a0%ef%bc%88carbonic-anhydrase%ef%bc%89%e5%9c%a8%e8%83%83%e9%85%b8%e7%94%9f%e6%88%90%e4%b8%ad%e8%b5%b7%e9%87%8d%e8%a6%81%e4%bd%9c%e7%94%a8%ef%bc%8c%e5%8f%83/</link>
				<pubDate>Tue, 17 Dec 2024 13:38:23 +0800</pubDate>

									<content:encoded><![CDATA[<p class = "activity-discussion-title-wrap"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e7%a2%b3%e9%85%b8%e9%85%90%e9%85%b5%e7%b4%a0%ef%bc%88carbonic-anhydrase%ef%bc%89%e5%9c%a8%e8%83%83%e9%85%b8%e7%94%9f%e6%88%90%e4%b8%ad%e8%b5%b7%e9%87%8d%e8%a6%81%e4%bd%9c%e7%94%a8%ef%bc%8c%e5%8f%83/">碳酸酐酵素（carbonic anhydrase）在胃酸生成中起重要作用，參與氫離子的產生，使胃酸的生成得以進行。</a></p> <div class="bb-content-inr-wrap"><p>11221-64 生理<br />
64.在一般正常生理狀態下，有關胃酸分泌與調控的敘述有關胃酸分泌與調控的敘述，下列何者正確？<br />
A.受胃泌素釋放胜肽（gastrin releasing peptide, GRP) 直接刺激細胞生成胃酸<br />
B.經氫氯離子共同轉運蛋白（H+-Cl- cotransporter）作用後，釋放胃酸<br />
C.受黏液素（mucin）直接抑制Gs蛋白, 因而打開氯離子通道（Cl- channel），抑制細胞生成胃酸<br />
D.需有碳酸酐酵素（carbonic anhydrase）的參與，才能生成胃酸</p>
<p>正確答案: D.需有碳酸酐酵素（carbonic anhydrase）的參與，才能生成胃酸</p>
<p>為何正確:&hellip;</p>
<p><span class="activity-read-more" id="activity-read-more-494"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e7%a2%b3%e9%85%b8%e9%85%90%e9%85%b5%e7%b4%a0%ef%bc%88carbonic-anhydrase%ef%bc%89%e5%9c%a8%e8%83%83%e9%85%b8%e7%94%9f%e6%88%90%e4%b8%ad%e8%b5%b7%e9%87%8d%e8%a6%81%e4%bd%9c%e7%94%a8%ef%bc%8c%e5%8f%83/" rel="nofollow"> Read more</a></span></p>
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				<title>MedicsKey.A started the discussion 唾腺細胞在接受自主神經影響後，會涉及鈣離子（calcium ion, Ca²⁺）作為訊息因子。 in the forum 生理學</title>
				<link>https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e5%94%be%e8%85%ba%e7%b4%b0%e8%83%9e%e5%9c%a8%e6%8e%a5%e5%8f%97%e8%87%aa%e4%b8%bb%e7%a5%9e%e7%b6%93%e5%bd%b1%e9%9f%bf%e5%be%8c%ef%bc%8c%e6%9c%83%e6%b6%89%e5%8f%8a%e9%88%a3%e9%9b%a2%e5%ad%90%ef%bc%88ca/</link>
				<pubDate>Tue, 17 Dec 2024 13:28:18 +0800</pubDate>

									<content:encoded><![CDATA[<p class = "activity-discussion-title-wrap"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e5%94%be%e8%85%ba%e7%b4%b0%e8%83%9e%e5%9c%a8%e6%8e%a5%e5%8f%97%e8%87%aa%e4%b8%bb%e7%a5%9e%e7%b6%93%e5%bd%b1%e9%9f%bf%e5%be%8c%ef%bc%8c%e6%9c%83%e6%b6%89%e5%8f%8a%e9%88%a3%e9%9b%a2%e5%ad%90%ef%bc%88ca/">唾腺細胞在接受自主神經影響後，會涉及鈣離子（calcium ion, Ca²⁺）作為訊息因子。</a></p> <div class="bb-content-inr-wrap"><p>11221-63 生理<br />
63.關於神經影響唾液分泌的敘述,下列何者最適當?<br />
(A) 在交感神經的作用下,唾液的分泌量會較副交感神經作用下為多<br />
(B) 在副交感神經的作用下,唾液會較交感神經作用下為黏稠<br />
(C) 接受自主神經影響後,唾腺細胞內參與的訊息因子有鈣離子<br />
(D) 唾腺細胞上的接受器,主要為甲型腎上腺素(alpha-adrenergic)受體與尼古丁(nicotinic)型受體</p>
<p>正確答案: (C) 接受自主神經影響後,唾腺細胞內參與的訊息因子有鈣離子</p>
<p>為何正確: 在自主神經系統中，副交感神經主要負責增加唾液分泌，這是透過乙醯膽鹼(acetylcholine)作用於M3毒蕈鹼受體(M3 muscarinic&hellip;</p>
<p><span class="activity-read-more" id="activity-read-more-493"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e5%94%be%e8%85%ba%e7%b4%b0%e8%83%9e%e5%9c%a8%e6%8e%a5%e5%8f%97%e8%87%aa%e4%b8%bb%e7%a5%9e%e7%b6%93%e5%bd%b1%e9%9f%bf%e5%be%8c%ef%bc%8c%e6%9c%83%e6%b6%89%e5%8f%8a%e9%88%a3%e9%9b%a2%e5%ad%90%ef%bc%88ca/" rel="nofollow"> Read more</a></span></p>
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				<title>MedicsKey.A started the discussion 血氧飽和度百分比（oxygen saturation percentage）和氧氣總含量（total oxygen content）會因血紅素濃度和一氧化碳血紅素（carboxyhemoglobin）含量的不同而影響，因此三支試管的氧氣總含量不同。 in the forum 生理學</title>
				<link>https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e8%a1%80%e6%b0%a7%e9%a3%bd%e5%92%8c%e5%ba%a6%e7%99%be%e5%88%86%e6%af%94%ef%bc%88oxygen-saturation-percentage%ef%bc%89%e5%92%8c%e6%b0%a7%e6%b0%a3%e7%b8%bd%e5%90%ab%e9%87%8f%ef%bc%88total-oxygen-conten/</link>
				<pubDate>Tue, 17 Dec 2024 13:20:20 +0800</pubDate>

									<content:encoded><![CDATA[<p class = "activity-discussion-title-wrap"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e8%a1%80%e6%b0%a7%e9%a3%bd%e5%92%8c%e5%ba%a6%e7%99%be%e5%88%86%e6%af%94%ef%bc%88oxygen-saturation-percentage%ef%bc%89%e5%92%8c%e6%b0%a7%e6%b0%a3%e7%b8%bd%e5%90%ab%e9%87%8f%ef%bc%88total-oxygen-conten/">血氧飽和度百分比（oxygen saturation percentage）和氧氣總含量（total oxygen content）會因血紅素濃度和一氧化碳血紅素（carboxyhemoglobin）含量的不同而影響，因此三支試管的氧氣總含量不同。</a></p> <div class="bb-content-inr-wrap"><p>11221-62&hellip;</p>
<p><span class="activity-read-more" id="activity-read-more-492"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e8%a1%80%e6%b0%a7%e9%a3%bd%e5%92%8c%e5%ba%a6%e7%99%be%e5%88%86%e6%af%94%ef%bc%88oxygen-saturation-percentage%ef%bc%89%e5%92%8c%e6%b0%a7%e6%b0%a3%e7%b8%bd%e5%90%ab%e9%87%8f%ef%bc%88total-oxygen-conten/" rel="nofollow"> Read more</a></span></p>
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				<title>MedicsKey.A started the discussion 甲試管中的氧分壓最高，因為其血紅素（hemoglobin）濃度與成分皆正常，而乙試管和丙試管中的血紅素有效濃度較低。 in the forum 生理學</title>
				<link>https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e7%94%b2%e8%a9%a6%e7%ae%a1%e4%b8%ad%e7%9a%84%e6%b0%a7%e5%88%86%e5%a3%93%e6%9c%80%e9%ab%98%ef%bc%8c%e5%9b%a0%e7%82%ba%e5%85%b6%e8%a1%80%e7%b4%85%e7%b4%a0%ef%bc%88hemoglobin%ef%bc%89%e6%bf%83%e5%ba%a6/</link>
				<pubDate>Tue, 17 Dec 2024 13:13:20 +0800</pubDate>

									<content:encoded><![CDATA[<p class = "activity-discussion-title-wrap"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e7%94%b2%e8%a9%a6%e7%ae%a1%e4%b8%ad%e7%9a%84%e6%b0%a7%e5%88%86%e5%a3%93%e6%9c%80%e9%ab%98%ef%bc%8c%e5%9b%a0%e7%82%ba%e5%85%b6%e8%a1%80%e7%b4%85%e7%b4%a0%ef%bc%88hemoglobin%ef%bc%89%e6%bf%83%e5%ba%a6/">甲試管中的氧分壓最高，因為其血紅素（hemoglobin）濃度與成分皆正常，而乙試管和丙試管中的血紅素有效濃度較低。</a></p> <div class="bb-content-inr-wrap"><p>11221-62&hellip;</p>
<p><span class="activity-read-more" id="activity-read-more-491"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e7%94%b2%e8%a9%a6%e7%ae%a1%e4%b8%ad%e7%9a%84%e6%b0%a7%e5%88%86%e5%a3%93%e6%9c%80%e9%ab%98%ef%bc%8c%e5%9b%a0%e7%82%ba%e5%85%b6%e8%a1%80%e7%b4%85%e7%b4%a0%ef%bc%88hemoglobin%ef%bc%89%e6%bf%83%e5%ba%a6/" rel="nofollow"> Read more</a></span></p>
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				<title>MedicsKey.A started the discussion 在健康者的平靜呼吸(quiet breathing)中，僅吸氣階段需要作功，而呼氣階段是被動的，不需要作功。 in the forum 生理學</title>
				<link>https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e5%9c%a8%e5%81%a5%e5%ba%b7%e8%80%85%e7%9a%84%e5%b9%b3%e9%9d%9c%e5%91%bc%e5%90%b8quiet-breathing%e4%b8%ad%ef%bc%8c%e5%83%85%e5%90%b8%e6%b0%a3%e9%9a%8e%e6%ae%b5%e9%9c%80%e8%a6%81%e4%bd%9c%e5%8a%9f/</link>
				<pubDate>Tue, 17 Dec 2024 09:38:16 +0800</pubDate>

									<content:encoded><![CDATA[<p class = "activity-discussion-title-wrap"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e5%9c%a8%e5%81%a5%e5%ba%b7%e8%80%85%e7%9a%84%e5%b9%b3%e9%9d%9c%e5%91%bc%e5%90%b8quiet-breathing%e4%b8%ad%ef%bc%8c%e5%83%85%e5%90%b8%e6%b0%a3%e9%9a%8e%e6%ae%b5%e9%9c%80%e8%a6%81%e4%bd%9c%e5%8a%9f/">在健康者的平靜呼吸(quiet breathing)中，僅吸氣階段需要作功，而呼氣階段是被動的，不需要作功。</a></p> <div class="bb-content-inr-wrap"><p>11221-61 生理<br />
61.有關健康者平靜呼吸（quiet breathing）時的作功量（work），下列敘述何者正確？<br />
A.僅吸氣階段需要作功<br />
B.僅呼氣階段需要作功<br />
C.吸氣階段與呼氣階段的作功量相同<br />
D.吸氣階段與呼氣階段均不需要作功</p>
<p>正確答案: A. 僅吸氣階段需要作功</p>
<p>為何正確: 在健康者平靜呼吸（quiet breathing）時，吸氣是主動過程，需要呼吸肌肉如橫膈膜（diaphragm）和外肋間肌（external intercostal muscles）收縮，因此需要作功。而呼氣通常是被動過程，主要依賴肺和胸壁的彈性回縮，不需要額外作功。</p>
<p>選項: A<br />
詳解: 吸氣階段是需要作功的，因為在平靜呼吸時，吸氣主要是由橫膈膜 (diaphragm)&hellip;</p>
<p><span class="activity-read-more" id="activity-read-more-490"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e5%9c%a8%e5%81%a5%e5%ba%b7%e8%80%85%e7%9a%84%e5%b9%b3%e9%9d%9c%e5%91%bc%e5%90%b8quiet-breathing%e4%b8%ad%ef%bc%8c%e5%83%85%e5%90%b8%e6%b0%a3%e9%9a%8e%e6%ae%b5%e9%9c%80%e8%a6%81%e4%bd%9c%e5%8a%9f/" rel="nofollow"> Read more</a></span></p>
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				<title>MedicsKey.A started the discussion 微血管的淨過濾壓計算方式為：(微血管流體靜壓 - 組織間液流體靜壓) - (血漿蛋白質滲透壓 - 組織間液蛋白質滲透壓)，當計算結果為負值(-10毫米汞柱)時，液體傾向流入微血管。 in the forum 生理學</title>
				<link>https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e5%be%ae%e8%a1%80%e7%ae%a1%e7%9a%84%e6%b7%a8%e9%81%8e%e6%bf%be%e5%a3%93%e8%a8%88%e7%ae%97%e6%96%b9%e5%bc%8f%e7%82%ba%ef%bc%9a%e5%be%ae%e8%a1%80%e7%ae%a1%e6%b5%81%e9%ab%94%e9%9d%9c%e5%a3%93/</link>
				<pubDate>Tue, 17 Dec 2024 09:36:17 +0800</pubDate>

									<content:encoded><![CDATA[<p class = "activity-discussion-title-wrap"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e5%be%ae%e8%a1%80%e7%ae%a1%e7%9a%84%e6%b7%a8%e9%81%8e%e6%bf%be%e5%a3%93%e8%a8%88%e7%ae%97%e6%96%b9%e5%bc%8f%e7%82%ba%ef%bc%9a%e5%be%ae%e8%a1%80%e7%ae%a1%e6%b5%81%e9%ab%94%e9%9d%9c%e5%a3%93/">微血管的淨過濾壓計算方式為：(微血管流體靜壓 - 組織間液流體靜壓) - (血漿蛋白質滲透壓 - 組織間液蛋白質滲透壓)，當計算結果為負值(-10毫米汞柱)時，液體傾向流入微血管。</a></p> <div class="bb-content-inr-wrap"><p>11221-60 生理<br />
60.微血管之淨過濾壓（net filtration&hellip;</p>
<p><span class="activity-read-more" id="activity-read-more-489"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e5%be%ae%e8%a1%80%e7%ae%a1%e7%9a%84%e6%b7%a8%e9%81%8e%e6%bf%be%e5%a3%93%e8%a8%88%e7%ae%97%e6%96%b9%e5%bc%8f%e7%82%ba%ef%bc%9a%e5%be%ae%e8%a1%80%e7%ae%a1%e6%b5%81%e9%ab%94%e9%9d%9c%e5%a3%93/" rel="nofollow"> Read more</a></span></p>
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				<title>MedicsKey.A started the discussion 健康成人進行費力長時間運動時，心輸出量（cardiac output）會顯著增加。 in the forum 生理學</title>
				<link>https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e5%81%a5%e5%ba%b7%e6%88%90%e4%ba%ba%e9%80%b2%e8%a1%8c%e8%b2%bb%e5%8a%9b%e9%95%b7%e6%99%82%e9%96%93%e9%81%8b%e5%8b%95%e6%99%82%ef%bc%8c%e5%bf%83%e8%bc%b8%e5%87%ba%e9%87%8f%ef%bc%88cardiac-output/</link>
				<pubDate>Tue, 17 Dec 2024 09:34:25 +0800</pubDate>

									<content:encoded><![CDATA[<p class = "activity-discussion-title-wrap"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e5%81%a5%e5%ba%b7%e6%88%90%e4%ba%ba%e9%80%b2%e8%a1%8c%e8%b2%bb%e5%8a%9b%e9%95%b7%e6%99%82%e9%96%93%e9%81%8b%e5%8b%95%e6%99%82%ef%bc%8c%e5%bf%83%e8%bc%b8%e5%87%ba%e9%87%8f%ef%bc%88cardiac-output/">健康成人進行費力長時間運動時，心輸出量（cardiac output）會顯著增加。</a></p> <div class="bb-content-inr-wrap"><p>11221-59 生理<br />
59.有關心輸出量（cardiac output）的敘述，下列何者正確？<br />
A.一個健康成人執行費力長時間運動時，他的心輸出量會顯著增加<br />
B.一個健康成人執行費力長時間運動時，他的整體周邊血管阻力（total peripheral resistance）會顯著增加<br />
C.一個健康成人執行費力長時間運動時，他的組織耗氧量會增加數倍，原因是心搏量（stroke volume）也以倍數增加<br />
D.一個健康成人在步入中老年以後，心輸出量通常隨著年齡增加而緩慢增加</p>
<p>正確答案: A.一個健康成人執行費力長時間運動時，他的心輸出量會顯著增加</p>
<p>為何正確:&hellip;</p>
<p><span class="activity-read-more" id="activity-read-more-488"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e5%81%a5%e5%ba%b7%e6%88%90%e4%ba%ba%e9%80%b2%e8%a1%8c%e8%b2%bb%e5%8a%9b%e9%95%b7%e6%99%82%e9%96%93%e9%81%8b%e5%8b%95%e6%99%82%ef%bc%8c%e5%bf%83%e8%bc%b8%e5%87%ba%e9%87%8f%ef%bc%88cardiac-output/" rel="nofollow"> Read more</a></span></p>
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				<title>MedicsKey.A started the discussion T波出現於心臟舒張期而非收縮期。 in the forum 生理學</title>
				<link>https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/t%e6%b3%a2%e5%87%ba%e7%8f%be%e6%96%bc%e5%bf%83%e8%87%9f%e8%88%92%e5%bc%b5%e6%9c%9f%e8%80%8c%e9%9d%9e%e6%94%b6%e7%b8%ae%e6%9c%9f%e3%80%82/</link>
				<pubDate>Tue, 17 Dec 2024 09:26:16 +0800</pubDate>

									<content:encoded><![CDATA[<p class = "activity-discussion-title-wrap"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/t%e6%b3%a2%e5%87%ba%e7%8f%be%e6%96%bc%e5%bf%83%e8%87%9f%e8%88%92%e5%bc%b5%e6%9c%9f%e8%80%8c%e9%9d%9e%e6%94%b6%e7%b8%ae%e6%9c%9f%e3%80%82/">T波出現於心臟舒張期而非收縮期。</a></p> <div class="bb-content-inr-wrap"><p>11221-58 生理<br />
58.下列那一個現象不會發生在正常的心臟收縮期中？<br />
A.心電圖出現T波<br />
B.聽見第二心音<br />
C.主動脈壓力達到最高<br />
D.肺動脈壓力達到最高</p>
<p>正確答案: B. 聽見第二心音</p>
<p>為何正確:&hellip;</p>
<p><span class="activity-read-more" id="activity-read-more-487"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/t%e6%b3%a2%e5%87%ba%e7%8f%be%e6%96%bc%e5%bf%83%e8%87%9f%e8%88%92%e5%bc%b5%e6%9c%9f%e8%80%8c%e9%9d%9e%e6%94%b6%e7%b8%ae%e6%9c%9f%e3%80%82/" rel="nofollow"> Read more</a></span></p>
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				<title>MedicsKey.A started the discussion SA node(竇房結)的膜電位是由鈉離子、鈣離子與鉀離子調控。 in the forum 生理學</title>
				<link>https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/sa-node%e7%ab%87%e6%88%bf%e7%b5%90%e7%9a%84%e8%86%9c%e9%9b%bb%e4%bd%8d%e6%98%af%e7%94%b1%e9%88%89%e9%9b%a2%e5%ad%90%e3%80%81%e9%88%a3%e9%9b%a2%e5%ad%90%e8%88%87%e9%89%80%e9%9b%a2%e5%ad%90%e8%aa%bf/</link>
				<pubDate>Tue, 17 Dec 2024 09:24:17 +0800</pubDate>

									<content:encoded><![CDATA[<p class = "activity-discussion-title-wrap"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/sa-node%e7%ab%87%e6%88%bf%e7%b5%90%e7%9a%84%e8%86%9c%e9%9b%bb%e4%bd%8d%e6%98%af%e7%94%b1%e9%88%89%e9%9b%a2%e5%ad%90%e3%80%81%e9%88%a3%e9%9b%a2%e5%ad%90%e8%88%87%e9%89%80%e9%9b%a2%e5%ad%90%e8%aa%bf/">SA node(竇房結)的膜電位是由鈉離子、鈣離子與鉀離子調控。</a></p> <div class="bb-content-inr-wrap"><p>11221-57 生理<br />
57.下列有關心臟調控之敘述，何者錯誤？<br />
A.SA node 同時接受交感神經與副交感神經之調控<br />
B.AV node 同時接受交感神經與副交感神經之調控<br />
C.強力刺激迷走神經，可減慢心跳速率，並且降低心肌的收縮能力<br />
D.SA node 的膜電位是由鈣離子與鉀離子調控，與鈉離子無關</p>
<p>正確答案: D.SA node 的膜電位是由鈣離子與鉀離子調控，與鈉離子無關</p>
<p>為何正確: 竇房結(SA node)的動作電位由鈉離子、鈣離子及鉀離子的流動所調控。特別是鈉離子在引發竇房結的自發去極化過程中扮演了重要角色，這過程稱為“起搏電位”(pacemaker&hellip;</p>
<p><span class="activity-read-more" id="activity-read-more-486"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/sa-node%e7%ab%87%e6%88%bf%e7%b5%90%e7%9a%84%e8%86%9c%e9%9b%bb%e4%bd%8d%e6%98%af%e7%94%b1%e9%88%89%e9%9b%a2%e5%ad%90%e3%80%81%e9%88%a3%e9%9b%a2%e5%ad%90%e8%88%87%e9%89%80%e9%9b%a2%e5%ad%90%e8%aa%bf/" rel="nofollow"> Read more</a></span></p>
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				<title>MedicsKey.A started the discussion 2,3-雙磷酸甘油酸（2,3-BPG）主要調節氧的釋放，與二氧化碳（CO2）在血液運送的機制無直接關聯。 in the forum 生理學</title>
				<link>https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/23-%e9%9b%99%e7%a3%b7%e9%85%b8%e7%94%98%e6%b2%b9%e9%85%b8%ef%bc%8823-bpg%ef%bc%89%e4%b8%bb%e8%a6%81%e8%aa%bf%e7%af%80%e6%b0%a7%e7%9a%84%e9%87%8b%e6%94%be%ef%bc%8c%e8%88%87%e4%ba%8c%e6%b0%a7%e5%8c%96/</link>
				<pubDate>Tue, 17 Dec 2024 09:20:18 +0800</pubDate>

									<content:encoded><![CDATA[<p class = "activity-discussion-title-wrap"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/23-%e9%9b%99%e7%a3%b7%e9%85%b8%e7%94%98%e6%b2%b9%e9%85%b8%ef%bc%8823-bpg%ef%bc%89%e4%b8%bb%e8%a6%81%e8%aa%bf%e7%af%80%e6%b0%a7%e7%9a%84%e9%87%8b%e6%94%be%ef%bc%8c%e8%88%87%e4%ba%8c%e6%b0%a7%e5%8c%96/">2,3-雙磷酸甘油酸（2,3-BPG）主要調節氧的釋放，與二氧化碳（CO2）在血液運送的機制無直接關聯。</a></p> <div class="bb-content-inr-wrap"><p>11221-56 生理<br />
56.下列何者與二氧化碳（CO2）在血液運送的機制最無關？<br />
A.CO2溶解於血漿（plasma）中<br />
B.CO2經碳酸酐酶（carbonic anhydrase）轉化成 H2CO3<br />
C.紅血球醣解作用產物2,3-biphosphoglycerate（2,3-BPG）減少，可增加CO2與Fe2+結合<br />
D.紅血球之血紅素（hemoglobin）可結合CO2</p>
<p>正確答案: C. 紅血球醣解作用產物2,3-biphosphoglycerate（2,3-BPG）減少，可增加CO2與Fe2+結合</p>
<p>為何正確:&hellip;</p>
<p><span class="activity-read-more" id="activity-read-more-485"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/23-%e9%9b%99%e7%a3%b7%e9%85%b8%e7%94%98%e6%b2%b9%e9%85%b8%ef%bc%8823-bpg%ef%bc%89%e4%b8%bb%e8%a6%81%e8%aa%bf%e7%af%80%e6%b0%a7%e7%9a%84%e9%87%8b%e6%94%be%ef%bc%8c%e8%88%87%e4%ba%8c%e6%b0%a7%e5%8c%96/" rel="nofollow"> Read more</a></span></p>
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				<title>MedicsKey.A started the discussion 心肌和骨骼肌的興奮收縮偶合需要動作電位經由橫小管（T-tubule）傳遞來活化電壓依賴性鈣離子通道，而平滑肌較不依賴橫小管而是依賴細胞外鈣離子。 in the forum 生理學</title>
				<link>https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e5%bf%83%e8%82%8c%e5%92%8c%e9%aa%a8%e9%aa%bc%e8%82%8c%e7%9a%84%e8%88%88%e5%a5%ae%e6%94%b6%e7%b8%ae%e5%81%b6%e5%90%88%e9%9c%80%e8%a6%81%e5%8b%95%e4%bd%9c%e9%9b%bb%e4%bd%8d%e7%b6%93%e7%94%b1%e6%a9%ab/</link>
				<pubDate>Tue, 17 Dec 2024 09:18:17 +0800</pubDate>

									<content:encoded><![CDATA[<p class = "activity-discussion-title-wrap"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e5%bf%83%e8%82%8c%e5%92%8c%e9%aa%a8%e9%aa%bc%e8%82%8c%e7%9a%84%e8%88%88%e5%a5%ae%e6%94%b6%e7%b8%ae%e5%81%b6%e5%90%88%e9%9c%80%e8%a6%81%e5%8b%95%e4%bd%9c%e9%9b%bb%e4%bd%8d%e7%b6%93%e7%94%b1%e6%a9%ab/">心肌和骨骼肌的興奮收縮偶合需要動作電位經由橫小管（T-tubule）傳遞來活化電壓依賴性鈣離子通道，而平滑肌較不依賴橫小管而是依賴細胞外鈣離子。</a></p> <div class="bb-content-inr-wrap"><p>11221-55 生理<br />
55.下列有關興奮收縮偶合（excitation-contraction coupling）的敘述，何者錯誤？<br />
A.心肌、平滑肌與骨骼肌都需要動作電位傳入橫小管（transverse tubule, T-tubule），並活化電壓依賴性鈣離子通道<br />
B.橫小管（transverse tubule, T-tubule）膜上的電壓依賴性鈣離子通道，也稱為二氫吡啶受器（dihydropyridine receptor）<br />
C.骨骼肌橫小管（transverse tubule,&hellip;</p>
<p><span class="activity-read-more" id="activity-read-more-484"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e5%bf%83%e8%82%8c%e5%92%8c%e9%aa%a8%e9%aa%bc%e8%82%8c%e7%9a%84%e8%88%88%e5%a5%ae%e6%94%b6%e7%b8%ae%e5%81%b6%e5%90%88%e9%9c%80%e8%a6%81%e5%8b%95%e4%bd%9c%e9%9b%bb%e4%bd%8d%e7%b6%93%e7%94%b1%e6%a9%ab/" rel="nofollow"> Read more</a></span></p>
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				<title>MedicsKey.A started the discussion 傳遞fast pain的神經纖維主要是具有髓鞘的A-delta纖維(A-delta fibers)。 in the forum 生理學</title>
				<link>https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e5%82%b3%e9%81%9efast-pain%e7%9a%84%e7%a5%9e%e7%b6%93%e7%ba%96%e7%b6%ad%e4%b8%bb%e8%a6%81%e6%98%af%e5%85%b7%e6%9c%89%e9%ab%93%e9%9e%98%e7%9a%84a-delta%e7%ba%96%e7%b6%ada-delta-fibers%e3%80%82/</link>
				<pubDate>Tue, 17 Dec 2024 09:14:16 +0800</pubDate>

									<content:encoded><![CDATA[<p class = "activity-discussion-title-wrap"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e5%82%b3%e9%81%9efast-pain%e7%9a%84%e7%a5%9e%e7%b6%93%e7%ba%96%e7%b6%ad%e4%b8%bb%e8%a6%81%e6%98%af%e5%85%b7%e6%9c%89%e9%ab%93%e9%9e%98%e7%9a%84a-delta%e7%ba%96%e7%b6%ada-delta-fibers%e3%80%82/">傳遞fast pain的神經纖維主要是具有髓鞘的A-delta纖維(A-delta fibers)。</a></p> <div class="bb-content-inr-wrap"><p>11221-54 生理<br />
54.傳遞fast pain 的神經有下列何種特性？<br />
A.傳入纖維為具有髓鞘的C纖維<br />
B.傳入神經纖維活化後，釋出的傳導物質通常為serotonin<br />
C.傳入纖維為具有髓鞘的A-delta纖維<br />
D.因傳導速度快，通常較slow pain不能精確定位疼痛點</p>
<p>正確答案: C.傳入纖維為具有髓鞘的A-delta纖維</p>
<p>為何正確:<br />
&#8211; 快痛（fast pain）由具有髓鞘的A-delta纖維傳遞。這些纖維的傳導速度較快，能夠迅速將疼痛訊號傳遞至中樞神經系統。A-delta纖維負責傳遞急性的、尖銳的疼痛感，是快速反應的生理機制之一。</p>
<p>選項: A<br />
詳解: 傳遞fast&hellip;</p>
<p><span class="activity-read-more" id="activity-read-more-483"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e5%82%b3%e9%81%9efast-pain%e7%9a%84%e7%a5%9e%e7%b6%93%e7%ba%96%e7%b6%ad%e4%b8%bb%e8%a6%81%e6%98%af%e5%85%b7%e6%9c%89%e9%ab%93%e9%9e%98%e7%9a%84a-delta%e7%ba%96%e7%b6%ada-delta-fibers%e3%80%82/" rel="nofollow"> Read more</a></span></p>
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				<title>MedicsKey.A started the discussion 血清素（serotonin）在人體內含量最多的部位是消化系統，特別是腸道的腸嗜鉻細胞。 in the forum 生理學</title>
				<link>https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e8%a1%80%e6%b8%85%e7%b4%a0%ef%bc%88serotonin%ef%bc%89%e5%9c%a8%e4%ba%ba%e9%ab%94%e5%85%a7%e5%90%ab%e9%87%8f%e6%9c%80%e5%a4%9a%e7%9a%84%e9%83%a8%e4%bd%8d%e6%98%af%e6%b6%88%e5%8c%96%e7%b3%bb%e7%b5%b1/</link>
				<pubDate>Tue, 17 Dec 2024 09:12:18 +0800</pubDate>

									<content:encoded><![CDATA[<p class = "activity-discussion-title-wrap"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e8%a1%80%e6%b8%85%e7%b4%a0%ef%bc%88serotonin%ef%bc%89%e5%9c%a8%e4%ba%ba%e9%ab%94%e5%85%a7%e5%90%ab%e9%87%8f%e6%9c%80%e5%a4%9a%e7%9a%84%e9%83%a8%e4%bd%8d%e6%98%af%e6%b6%88%e5%8c%96%e7%b3%bb%e7%b5%b1/">血清素（serotonin）在人體內含量最多的部位是消化系統，特別是腸道的腸嗜鉻細胞。</a></p> <div class="bb-content-inr-wrap"><p>11221-53 生理<br />
53.下列有關血清素（serotonin）的敘述，何者正確？<br />
A.人體血清素含量最多的部位的是大腦，其次是消化系統與血液<br />
B.人體血清素受體主要是離子通道型受體<br />
C.血清素神經元（serotonergic neurons）在睡覺時要比清醒時的活性來得高<br />
D.選擇性血清素再攝取抑制劑（selective serotonin reuptake inhibitors）臨床上可用來治療憂鬱症（depression）</p>
<p>正確答案: D.選擇性血清素再攝取抑制劑（selective serotonin reuptake&hellip;</p>
<p><span class="activity-read-more" id="activity-read-more-482"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e8%a1%80%e6%b8%85%e7%b4%a0%ef%bc%88serotonin%ef%bc%89%e5%9c%a8%e4%ba%ba%e9%ab%94%e5%85%a7%e5%90%ab%e9%87%8f%e6%9c%80%e5%a4%9a%e7%9a%84%e9%83%a8%e4%bd%8d%e6%98%af%e6%b6%88%e5%8c%96%e7%b3%bb%e7%b5%b1/" rel="nofollow"> Read more</a></span></p>
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				<title>MedicsKey.A started the discussion 甘胺酸受體(glycine receptor)的開啟最可能會造成抑制性突觸後電位（IPSP），因其開啟會導致氯離子（Cl⁻）流入細胞，造成過極化。 in the forum 生理學</title>
				<link>https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e7%94%98%e8%83%ba%e9%85%b8%e5%8f%97%e9%ab%94glycine-receptor%e7%9a%84%e9%96%8b%e5%95%9f%e6%9c%80%e5%8f%af%e8%83%bd%e6%9c%83%e9%80%a0%e6%88%90%e6%8a%91%e5%88%b6%e6%80%a7%e7%aa%81%e8%a7%b8%e5%be%8c/</link>
				<pubDate>Tue, 17 Dec 2024 09:01:19 +0800</pubDate>

									<content:encoded><![CDATA[<p class = "activity-discussion-title-wrap"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e7%94%98%e8%83%ba%e9%85%b8%e5%8f%97%e9%ab%94glycine-receptor%e7%9a%84%e9%96%8b%e5%95%9f%e6%9c%80%e5%8f%af%e8%83%bd%e6%9c%83%e9%80%a0%e6%88%90%e6%8a%91%e5%88%b6%e6%80%a7%e7%aa%81%e8%a7%b8%e5%be%8c/">甘胺酸受體(glycine receptor)的開啟最可能會造成抑制性突觸後電位（IPSP），因其開啟會導致氯離子（Cl⁻）流入細胞，造成過極化。</a></p> <div class="bb-content-inr-wrap"><p>11221-52 生理<br />
52.下列何種離子通道的開啟，最可能會造成抑制性突觸後電位（inhibitory postsynaptic potential）？<br />
A.AMPA 受體（AMPA  receptor）<br />
B.NMDA受體（NMDA  receptor）<br />
C.甘胺酸受體（glycine  receptor）<br />
D.尼古丁受體（nicotinic receptor）</p>
<p>正確答案: C. 甘胺酸受體（glycine receptor）</p>
<p>為何正確: 甘胺酸受體（glycine receptor）是一種抑制性受體，當其被激活時，會使氯離子進入細胞，導致膜電位變得更負而產生抑制性突觸後電位（inhibitory postsynaptic potential,&hellip;</p>
<p><span class="activity-read-more" id="activity-read-more-481"><a href="https://medicskey.com/groups/%e7%94%9f%e7%90%86%e5%ad%b8/forum/discussion/%e7%94%98%e8%83%ba%e9%85%b8%e5%8f%97%e9%ab%94glycine-receptor%e7%9a%84%e9%96%8b%e5%95%9f%e6%9c%80%e5%8f%af%e8%83%bd%e6%9c%83%e9%80%a0%e6%88%90%e6%8a%91%e5%88%b6%e6%80%a7%e7%aa%81%e8%a7%b8%e5%be%8c/" rel="nofollow"> Read more</a></span></p>
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