A condition in which the patient has a decreased number of air spaces distal to the terminal bronchioles and destruction of elastic tissue necessary for recoil during quiet expiration, experiences breathlessness on exertion, and may be "barrel-chested" is ____________________________.

Question

Quizplus · Accepted Answer

Emphysema. Emphysema results in a decreased number of air spaces distal to the terminal bronchioles and destruction of elastic tissue necessary for elastic recoil during quiet normal expiration. The result is breathlessness on exertion and labored chest movements to provide sufficient oxygen. In advanced cases, the ribs are horizontal and the individual is "barrel-chested." Pneumothorax is the presence of air in the pleural cavity because of a rupture of the lung surface.

A Condition in Which the Patient Has a Decreased Number