首页/ 题库 / [单选题]37安静时,给兔M受体阻断剂阿托品可引起的答案

37安静时,给兔M受体阻断剂阿托品可引起心率明显增加,房室传导加速,若切断双侧迷走神经后再给阿托品,心脏的变化为:( )

单选题
2021-09-06 21:06
A、心率明显增快
B、心率明显降低
C、心率无明显变化
D、房室传导明显减慢
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正确答案
C

试题解析

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