Below what level of the predicted FEV1/FVC are patients with irreversible airway obstruction considered good candidates for pulmonary rehabilitation?

a. 75%
b. 80%
c. 60%
d. 70%

ANS: C
Patients in whom there is significant irreversible airway obstruction with a forced expiratory volume in 1 sec (FEV1) of less than 2 L or an FEV1% (FEV1/FVC) of less than 60%.