输液过多或过快导致急性肺水肿的发病机制是 A．左室舒张期过短_爱下问搜题

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问题单项选择题

输液过多或过快导致急性肺水肿的发病机制是

A．左室舒张期过短
B．左室排血量急剧下降
C．左室舒张期负荷突然明显加重
D．左室充盈障碍
E．左室后负荷突然明显加重

答案

参考答案：C

选择题

Emergency line operators must always _____ calm and make sure that they get all the information they need to send help.

A. grow
B. appear
C. become
D. stay

选择题

The girl is new here and she lives ______. So she seems ______.

A. lonely; lonely

B. alone; lonely

C. lonely; alone