题目内容

Ⅱ型呼衰患者的氧疗方式是

A. 高流量面罩吸氧
B. 4-6L/min经酒精湿化吸氧
C. 2-4L/min经鼻导管吸氧
D. 1-2L/min持续鼻导管吸氧
E. 低流量间歇鼻导管吸氧

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气体弥散障碍主要是影响氧的交换，是由于氧的弥散力仅为二氧化碳的

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患者男性，63岁。因呼衰、慢阻肺收入院。现神志淡漠，嗜睡，血气分析示Ⅱ型呼衰，关于呼吸衰竭发生机制描述不正确的是

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