严重Ⅱ型呼吸衰竭病人宜低浓度氧疗这是由于 -题库考试答案搜索网

严重Ⅱ型呼吸衰竭病人宜低浓度氧疗这是由于

单选题

2021-07-17 23:14

A、PaO2低于60mmHg(1mmHg=0.133kPa)对化学感受器作用才明显
B、PaO2为30mmHg时肺通气量最大
C、PaCO2超过80mmHg时呼吸运动主要靠低氧刺激
D、缺氧对呼吸中枢抑制作用大于反射兴奋作用
E、低浓度氧疗能增强呼吸动力

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正确答案

C

试题解析

标签：临床医学专升本病理生理学医学影像学护理学

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