Pulmonary function tests reveal that an 80-year-old dyspneic patient has an increase in residual volume. A nurse suspects that the most likely cause of the increased residual volume is _____ in lung compliance.
A) an increase
B) a decrease
C) no change
D) an absence

Question

Quizplus · Accepted Answer

An increase in lung compliance, often due to conditions like emphysema, leads to an increase in residual volume because the lungs are more distensible and less able to recoil, trapping more air inside.

Pulmonary Function Tests Reveal That an 80-Year-Old Dyspneic Patient Has