A Respiratory Therapist Has Just Performed a Pulmonary Function Study

Multiple Choice

A respiratory therapist has just performed a pulmonary function study and notes that the results show obstructive lung disease with a decreased DLCO value. Which of the following is the best interpretation of these results?

A) The patient has pulmonary fibrosis.
B) The patient has asthma.
C) The patient has cystic fibrosis.
D) The patient has emphysema.
E) The patient has chronic bronchitis.