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问题详情

慢性支气管炎并发肺气肿时，最早出现的病理生理改变是

A、时间肺活量降低

B、生理无效腔气量增大

C、通气血流比例失调

D、残气占肺总量百分比增加

E、低氧血症

时间：2021-07-17 21:53 关键词：医药卫生类中级心血管内科学（中级） 304押题卷一

答案解析

A

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