Which of these statements correctly describes residual volume?
A)It helps prevent lung collapse.
B)It is the normal volume of air inhaled.
C) It is the normal volume of air exhaled.
D) It is the maximum volume of air that can be inspired.

Question

Quizplus · Accepted Answer

Residual volume is the volume of air that remains in the lungs after maximum expiration. It helps prevent lung collapse by maintaining a small amount of air in the lungs, which keeps the alveoli from collapsing and sticking together.

Which of These Statements Correctly Describes Residual Volume