At the end of a quiet expiration, an additional volume of air can be expelled from the lungs. What is this additional amount of air called?
A) Expiratory reserve volume
B) Residual volume
C) Inspiratory reserve volume
D) Vital capacity
E) Tidal volume

Question

Quizplus · Accepted Answer

Expiratory reserve volume (ERV) is the additional amount of air that can be expelled from the lungs after a normal, quiet expiration. This is different from the residual volume, which is the air that remains in the lungs after a maximal exhalation and cannot be voluntarily expelled.

At the End of a Quiet Expiration, an Additional Volume