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当前学科:麻醉科
题目:
单选
当呼吸功能出现MVV%为45%~59%,RV/TLC为51%~65%。FEV
1
为40%~54%时,呼吸功能为()
A . 正常
B . 轻度损害
C . 中度损害
D . 重度损害
E . 极重度损害
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