浅而快的呼吸不利于肺换气的原因是（）

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题目：浅而快的呼吸不利于肺换气的原因是（）

A. 浅快呼吸时每分通气量下降

B. 浅快呼吸时肺泡通气量下降

C. 浅快呼吸时肺动脉血流量下降

D. 浅快呼吸时肺静脉血流量下降

E. 呼吸器官存在解剖无效腔

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