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[主观题]

During quiet breathing, the pleural pressure

A、is lower than atmosphere pressure during inspiration, higher than atmosphere pressure during expiration.

B、is equal to the atmosphere during expiration.

C、is lower than atmosphere in both inspiration and expiration.

D、constant during respiration

E、is negative in inspiration, and positive in expiration.

提问人:网友pswhohai 发布时间:2022-01-07
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