试题与答案

下腔静脉在什么运动时塌陷()。 A.浅呼吸 B.运动 C.吸气 D.呼气 E.Val

题型:单项选择题

题目:

下腔静脉在什么运动时塌陷()。

A.浅呼吸

B.运动

C.吸气

D.呼气

E.Valsalva动作

答案:

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