题目内容

神经-肌接头传递中,消除乙酰胆碱的酶是 []

A. 磷酸二酯酶
B. 腺苷酸环化酶
C. ATP酶
D. 胆碱酯酶
E. 碳酸酐酶

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相邻细胞间直接电突触传递的结构基础是 []

A. 缝隙连接
B. 紧密连接
C. 突触连接
D. 终板连接
E. 接头联系

which one is the arteries of abdomen? ()

A. Renal artery
B. Axillary artery
C. Femoral artery
Deep femoral artery
E. Anterior tibial artery

If stroke volume is 75ml and heart rate is 80/min, the cardiac output is L/min.

A. 2.0
B. 3.0
C. 5.2
D. 5.5
E. 6.0

Which of the following are incorrectly paired?

A. B cell-insulin
B. D cell-somatostatin
C. A cell-glucagon
D. S cell-secretin
E. F cell-gastrin

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