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?
1) Patient interview and observation
2) Measurement of vital signs
3) Chest auscultation
4) Arterial blood gas analysis and oximetry

A) 1, 3, and 4 only
B) 2 and 3 only
C) 2, 3, and 4 only
D) 1, 2, 3, and 4