题目内容

31目前认为肺性脑病主要发生机制是

A. 氧化碳潴留
B. 谢性酸中毒
C. 重缺氧
D. 解质紊乱
E. 血管病变

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22.任何呼吸衰竭均可出现

A. 氧分压下降
B. 二氧化碳分压升高
C. 氧分压下降,二氧化碳分压升高
D. 氧分压和二氧化碳分压均下降
E. 氧氧分压和二氧化碳分压均升高

Offer suggestions or possible solutions to the problems of nature-unfriendly behavior.driving private cars is becoming fashionable.

Offer suggestions or possible solutions to the problems of nature-unfriendly behavior.Abusive use of exhaustible resources has caused serious environmental problems

Offer suggestions or possible solutions to the problems of nature-unfriendly behavior:disposable plastic lunch boxes are over-used in restaurants.

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