问题
单项选择题 A1/A2型题
关于肺心病呼吸衰竭的合理氧疗,下列错误的是()
A.持续低流量吸氧
B.吸入氧浓度为25%~30%
C.吸入氧浓度为30%~50%
D.Ⅱ型呼吸衰竭不可高流量吸氧
E.Ⅰ型呼吸衰竭可提高吸氧浓度
答案
参考答案:C
解析:Ⅱ型呼吸衰竭的氧疗策略是持续低浓度氧疗,因为增加吸氧浓度,可能导致PCO2升高。
关于肺心病呼吸衰竭的合理氧疗,下列错误的是()
A.持续低流量吸氧
B.吸入氧浓度为25%~30%
C.吸入氧浓度为30%~50%
D.Ⅱ型呼吸衰竭不可高流量吸氧
E.Ⅰ型呼吸衰竭可提高吸氧浓度
参考答案:C
解析:Ⅱ型呼吸衰竭的氧疗策略是持续低浓度氧疗,因为增加吸氧浓度,可能导致PCO2升高。
阅读理解 | |
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1. Who can take part in the "Event of the Summer"? | |
A. Children under 5 B. Children over 16 C. Children aged 10-14 D. Children aged 5-9 | |
2. The children had better bring ____ | |
A. a basketball B. lunch C. a gift D. gloves | |
3. When can children register at the Brown School? | |
A. On July 1 B. On July 3 C. On July 14 D. On July 16 |