Which Expected Outcome(s) Would Indicate Improvement in a Patient with Emphysema

Which expected outcome(s) would indicate improvement in a patient with emphysema? (Select all that apply.)

A) Patent airway
B) Increased rhonchi and wheezes
C) Normal arterial blood gases (for this patient)
D) Increasing oxygen concentrations
E) Decreased breathe sounds
F) Decreased dyspnea