A 25-year-old man with cystic fibrosis comes to the clinic for a routine follow-up appointment. The patient has had multiple hospital admissions over the last few years for pulmonary exacerbations. Pulmonary function testing today will most likely reveal which of the following results?

Question

A 25-year-old man with cystic fibrosis comes to the clinic for a routine follow-up appointment.  The patient has had multiple hospital admissions over the last few years for pulmonary exacerbations.  Pulmonary function testing today will most likely reveal which of the following results?

Quizplus · Accepted Answer

Eductional Objective: Pulmonary function testing in cystic fibrosis reveals an obstructive pattern, characterized by a decreased FEV1/FVC ratio and an increased total lung capacity and residual volume.

A 25-Year-Old Man with Cystic Fibrosis Comes to the Clinic