What is the definition of vital capacity?
A) maximal volume of air in the lungs after a maximal inspiration
B) amount of air remaining in the lungs after a maximal expiration
C) volume of air that can be exhaled after a maximal inhalation
D) amount of air in a single inspiration and expiration
C
Explanation: A) Total lung capacity is the maximal volume of air in the lungs after a maximal inspiration.
B) Residual volume is the amount of air in the lungs after a maximal expiration.
C) Correct.
D) Tidal volume is the amount of air in a single inspiration and expiration.
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