When Is a Pulmonary Function Test Indicated and Ordered

When is a pulmonary function test indicated and ordered?

A) When a patient complains of increased chest pain accompanied with good lung function
B) When a physician is concerned with increased cardiac output
C) When a patient goes to a primary physician or a specialist with complaints of shortness of breath, cough, decreased activity, and dyspnea
D) When a patient is concerned regarding his or her ability to increase running from 10 to 15 miles