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醫技生理學題庫04

Authored by Sean Wang

Biology

University

醫技生理學題庫04
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42 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

當肌纖維受到刺激,會產生動作電位,並沿著何種構造傳導,然後刺激肌漿網釋放出Ca2+?

終池
橫小管
旋轉肌球素
旋轉素

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

(軀)體運動神經元釋放乙醯膽鹼(ACh)打開骨骼肌細胞膜上的何種通道,以刺激骨骼肌的收縮?

K+
Na+
Ca2+
Cl-

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

以下那一個構造會卡在螺旋狀扭曲的球形肌動蛋白造成的溝槽內?

粗肌絲
橫小管
旋轉肌球素
旋轉素

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

平滑肌收縮時,細胞內的Ca2+上升主要是來自於下列何種構造上的離子通道?

細胞膜
橫小管
終池
緻密體

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

以下何者為肌細胞?

肌原纖維
肌纖維
肌節
粗肌絲

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

橫紋肌的興奮─收縮聯合作用(excitation-contractioncoupling)與下列何種離子的作用關係最為密切?

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

下列何者非構成細肌絲的主要成份?

肌凝蛋白
肌動蛋白
旋轉素
旋轉肌球素

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