The Use of Noninvasive Ventilation (NIV) in the Long-Term Care

The use of noninvasive ventilation (NIV) in the long-term care of patients with chronic obstructive pulmonary disease (COPD) will benefit the patient in which the following ways except:
1) better gas exchange.
2) improved sleep quality.
3) resetting the respiratory center to better respond to hypoxemia.
4) unloading the respiratory muscles.

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