question 4 When will girls feel disappointed according to the news?
A. When they buy a certain product.
B. When they eat less.
C. When they define themselves by how they appear to others.
D. When they define themselves by how they feel internally.
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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.
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