Pharmacy Curriculum Outcomes Assessment (PCOA) Practice Exam

What is the maximum amount of air a person can expel from the lungs after a maximum inhalation known as?

Total lung capacity Tidal volume Residual volume Vital capacity

Correct Answer:

Vital capacity

Explanation:

After a maximum inhalation, a person is able to exhale the maximum amount of air from the lungs, which is known as the vital capacity. Total lung capacity refers to the maximum amount of air that the lungs can hold, including both the maximum inhalation and exhalation. Tidal volume refers to the amount of air that is inhaled and exhaled during normal breathing. Residual volume is the amount of air that remains in the lungs even after a maximum exhalation. Therefore, only vital capacity corresponds to the given scenario.

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