If air at atmospheric pressure were to enter one side of the chest cavity, what would happen?
A)The alveoli on that side would rupture.
B)Pulmonary circulation at the site would increase.
C)The parietal pleura would suction air from the lung on that side.
D)The lung on that side would collapse.

Question

Quizplus · Accepted Answer

If air at atmospheric pressure were to enter one side of the chest cavity, it would cause the lung on that side to collapse. This is because the normal pressure gradient that keeps the lung inflated would be disrupted, and the lung tissue would collapse onto itself. This is known as a pneumothorax, and it can be a medical emergency if it affects a large portion of the lung or both lungs.

If Air at Atmospheric Pressure Were to Enter One Side