Multiple Choice
On pulmonary function testing, which of the following lung abnormalities are common in patients with severe cystic fibrosis?
I. Obstructive pattern
II. Restrictive pattern
III. Airway hyperreactivity
IV. Normal pattern when asymptomatic
A) I and IV only
B) II and IV only
C) II and III only
D) I, II, and III only
Correct Answer:

Verified
Correct Answer:
Verified
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