试题与答案

Ⅱ型呼吸衰竭可给予吸入的氧浓度是() A.25%~29% B. C.>50% D.3

题型:单项选择题

题目:

Ⅱ型呼吸衰竭可给予吸入的氧浓度是()

A.25%~29%

B.<50%

C.>50%

D.35%~40%

E.100%

答案:

参考答案:A

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