试题与答案

正常血钾值的范围为() A.2.5~2.8mmoL/L B.2.9~3.4mmol/

题型:单项选择题 A1型题

题目:

正常血钾值的范围为()

A.2.5~2.8mmoL/L

B.2.9~3.4mmol/L

C.3.5~5.5mmol/L

D.5.5~6.5mmol/L

E.6.5~7.5mmol/L

答案:

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参考答案:A解析:短效口服避孕药分为单相片和三相片,前者自月经周期第5天起,每晚1片,连服22天;后者第1周期于月经第1天开始服药,第2周期及以后改为月经周期第3天开始服药。

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