患者男性, 63 岁。因“呼吸衰竭、慢性阻塞性肺病”入院。现神志淡漠,嗜睡,血气分析示 Ⅱ 型呼吸衰竭,其可能发病机制不正确是()A .肺泡通气不足 ...

作者: rantiku 人气: - 评论: 0
问题 患者男性, 63 岁。因“呼吸衰竭、慢性阻塞性肺病”入院。现神志淡漠,嗜睡,血气分析示 Ⅱ 型呼吸衰竭,其可能发病机制不正确是()
选项 A .肺泡通气不足 B .通气/血流<0.8 C .通气/血流=0.8 D .通气/血流>0.8 E .气体弥散障碍
答案 C
解析

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