A pulmonary function test result with a postbronchodilator ratio of less than or equal to 0.7 indicates nonreversible airflow limitation associated with what condition?
A)COPD
B)Asthma
C)Restrictive lung disease
D)Secondary cardiovascular dysfunction

Question

Quizplus · Accepted Answer

A pulmonary function test result with a postbronchodilator ratio of less than or equal to 0.7 indicates nonreversible airflow limitation associated with COPD. The test uses the forced expiratory volume and forced vital capacity to rate the severity of the condition.

A Pulmonary Function Test Result with a Postbronchodilator Ratio of Less