试题与答案

二尖瓣狭窄最早出现的症状是A．水肿B．咯血C．劳力性呼吸困难D．咳嗽E．端坐呼吸

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题型：单项选择题

题目：

二尖瓣狭窄最早出现的症状是

A．水肿
B．咯血
C．劳力性呼吸困难
D．咳嗽
E．端坐呼吸

答案：

参考答案：C

解析： 考察对于二尖瓣狭窄临床表现的掌握，二尖瓣狭窄最早出现的症状是劳力性呼吸困难。

考点：护士护理考试护师基础知识初级护师基础知识
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