Question

which of the following lung volumes is the amount of air that enters and exits the lungs during a single quiet breath?
○ inspiratory reserve volume
○ expiratory reserve volume
○ tidal volume
○ residual volume

Explanation:

Tidal volume is the volume of air that enters and exits the lungs during a single quiet breath. Residual volume is the air remaining in lungs after maximal exhalation. Expiratory reserve volume is the additional air that can be exhaled after a normal exhalation. Inspiratory reserve volume is the additional air that can be inhaled after a normal inhalation.

Answer:

tidal volume