A tear in the tracheobronchial tree or a pneumothorax can be characterized by ________ in the neck.
A) swollen lymph nodes
B) jugular venous distention
C) mediastinal deviation
D) subcutaneous emphysema

Question

Quizplus · Accepted Answer

Subcutaneous emphysema, which is the presence of air under the skin, can be a sign of a tear in the tracheobronchial tree or a pneumothorax. It can cause a characteristic crackling sensation when felt. Swollen lymph nodes, jugular venous distention, or mediastinal deviation, would not be specific to these conditions.

A Tear in the Tracheobronchial Tree or a Pneumothorax Can