When the chest cavity has been penetrated, as in a pneumothorax, the amount of air in the respiratory system is reduced to the
A) tidal volume.
B) vital capacity.
C) minimal volume.
D) residual volume.
E) inspiratory reserve volume.

Question

Quizplus · Accepted Answer

Minimal volume is the amount of air remaining in the lungs after they have collapsed, as can occur in a pneumothorax.

When the Chest Cavity Has Been Penetrated, as in a Pneumothorax