A PA chest projection on a patient with a right side pneumothorax will demonstrate
A) a density line created when the fluid and air separate.
B) the right pleural cavity without the lung.
C) intraperitoneal air.
D) air in the right pleural cavity.

Question

Quizplus · Accepted Answer

A PA chest projection will show air in the right pleural cavity as the pneumothorax is on the right side. Option A refers to a fluid and air separation which is not relevant in a pneumothorax. Option B refers to the absence of lung on the right side which is not necessarily the case in a pneumothorax. Option C refers to intraperitoneal air which is not relevant in a chest radiograph.

A PA Chest Projection on a Patient with a Right