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男性,21岁。查体见奇脉,它产生的机制是吸气时()

单选题
2021-12-23 23:27
A、左室搏血量减少
B、肺循环血量增加
C、左室收缩力增强
D、体循环回流增加
E、心律不齐
查看答案

正确答案
A

试题解析

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