题目内容

question 5 According to Orenstein, how can parents raise healthy, self-confident daughters?

A. Make them more appealing to others.
B. Help them with their eating disorders.
C. Buy certain products to help them look a certain way.
D. Provide positive alternatives against the influence of the media.

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任何呼吸衰竭均可出现

A. PaO2↓
B. PaCO2↑
C. PaO2↓，PaCO2↑
D. PaO2↓，PaCO2↓

中央气道胸外段阻塞，主要表现为

A. 吸气性呼吸困难
B. 呼气性呼吸困难
C. 吸气、呼气均困难
D. 呼吸节律紊乱

5. 呼吸中枢受损的患者发生呼吸衰竭的机制主要是

A.限制性通气不足
B.阻塞性通气不足
C.肺的顺应性降低
D.功能性分流

某喉头水肿患者出现呼吸衰竭是由于

A. 肺泡扩张受限制
B. 中央气道阻塞
C. 外周气道阻塞
D. 气体弥散障碍