Next to the pulmonary function studies listed, match the findings listed below that typically develop in patients with cystic fibrosis. Items may be used once, more than once, or not at all.
-RV/TLC ratio
A)Normal
B)Decreases
C)Increases
D)Normal or decreased
E)Normal or increased

Question

Quizplus · Accepted Answer

Cystic fibrosis results in airway obstruction, inflammation, and infection, leading to hyperinflation of the lungs and an increase in the RV/TLC ratio. This ratio will typically increase in patients with cystic fibrosis.

Next to the Pulmonary Function Studies Listed, Match the Findings