A Cardiopulmonary Exercise Evaluation Is Conducted on a Patient Before

A cardiopulmonary exercise evaluation is conducted on a patient before participation in pulmonary rehabilitation for what purposes?
1) To quantify the patient's baseline exercise capacity
2) To develop an exercise prescription (including target heart rate)
3) To determine how much desaturation occurs with exercise

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