In Addition to Bedside Pulmonary Function Test Measures, What Other

In addition to bedside pulmonary function test measures, what other components of patient assessment are useful in evaluating bronchodilator therapy?
I.patient interview and observation
II.measurement of vital signs
III.chest auscultation
IV.arterial blood gas analysis and oximetry

A) I, III, and IV
B) II and III
C) II, III, and IV
D) I, II, III, and IV