问题 单项选择题

Which phrase is used to describe the volume of air inspired and expired with a normal breath ?()

A.Total lung capacity.

B.Forced vital capacity.

C.Tidal volume.

D.Residual volume.

答案

参考答案:C

解析:

Tidal volume refers to the volume of air inspired and expired with a normal breath. Total lung capacity is the maximal amount of air the lungs and respiratory passages can hold after a forced inspiration. Forced vital capacity is vital capacity performed with a maximally forced expiration. Residual volume is the maximal amount of air left in the lung after a maximal expiration.

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单项选择题