The volume that remains in the lungs after a forced expiration is the:
A)dead space volume.
B)functional residual capacity.
C)residual volume.
D)vital capacity.

Question

Quizplus · Accepted Answer

The residual volume is the volume of air that remains in the lungs after a forced expiration, as it cannot be completely exhaled. This volume helps to keep the lungs open and prevent collapse of the alveoli. Therefore, the correct option is C) residual volume.

The Volume That Remains in the Lungs After a Forced