Cathy has been diagnosed with emphysema, a condition associated with destruction of alveolar walls. What effect would this anatomical change have on Cathy's respiratory function?
A) Decreased rate of gas exchange
B) Decreased ability to expand lungs and inspire
C) Increased tendency for alveolar collapse
D) Decreased movement of air into alveoli due to constriction of airways

Question

Quizplus · Accepted Answer

The destruction of alveolar walls in emphysema reduces the surface area available for gas exchange, leading to a decreased rate of gas exchange.

Cathy Has Been Diagnosed with Emphysema, a Condition Associated with Destruction