Emphysema is characterized by:

A) a narrowing of the distal airways.
B) swelling and mucus production in the bronchioles.
C) a loss of surface area in the alveoli.
D) swelling of the upper airway.

C

Health Professions

You might also like to view...

Rapid withdrawal of addictive drugs may cause a primary seizure

Indicate whether the statement is true or false

Health Professions

How many chapter titles are in the tabular for Volume 1 of the ICD-9-CM coding book?

A. 15 B. 16 C. 17 D. 21

Health Professions