Air that is in the airways,but not in the alveoli for gas exchange,is called the
A)residual volume.
B)dead-space air.
C)functional reserve volume.
D)None apply.

Question

Quizplus · Accepted Answer

Dead-space air is the air that occupies the conducting airways and does not participate in gas exchange. Residual volume refers to the air that remains in the lungs even after a maximal exhalation, functional residual capacity refers to the volume of air that remains in the lungs at the end of a normal expiration, and none apply refers to the fact that none of these options accurately describe the air in the airways that does not participate in gas exchange.

Air That Is in the Airways,but Not in the Alveoli