Alveolar ventilation refers to the
A) movement of air into and out of the lungs.
B) movement of air into and out of the alveoli.
C) movement of dissolved gases from the alveoli to the blood.
D) movement of dissolved gases from the blood to the alveoli.
E) utilization of oxygen by alveolar cells to support metabolism.

Question

Quizplus · Accepted Answer

Alveolar ventilation refers specifically to the movement of air into and out of the alveoli, which are the tiny air sacs in the lungs where gas exchange takes place between the air and the bloodstream. This is different from overall lung ventilation, which includes the movement of air in and out of the entire respiratory system.

Alveolar Ventilation Refers to the