What is the definition of vital capacity?
A)total amount of air the lungs can hold
B)amount of air in the lungs after a maximum expiration
C)volume of air that can be exhaled after a maximum inhalation
D)amount of air moved during a normal inhalation and exhalation

Question

Quizplus · Accepted Answer

Vital capacity is defined as the maximum amount of air that can be exhaled after a maximum inhalation. Therefore, the correct option is C. Option A is incorrect because it refers to total lung capacity, which includes residual volume. Option B is incorrect because it refers to residual volume, which is the amount of air left in the lungs after a maximum expiration. Option D is incorrect because it refers to tidal volume, which is the amount of air moved during a normal inhalation and exhalation.

What Is the Definition of Vital Capacity