A Patient with COPD Tells the Nurse, "At Home, I

A patient with COPD tells the nurse, "At home, I only have to use an albuterol (Proventil) inhaler. Why did the doctor add an ipratropium (Atrovent) inhaler while I'm in the hospital? The appropriate response by the nurse is

A) "Atrovent will dilate the airways and allow the Proventil to penetrate more deeply."
B) "Atrovent is being used to decrease airway inflammation and sputum production."
C) "Atrovent works differently to dilate the bronchi, and the two drugs together are more effective."
D) "Atrovent is a potent bronchodilator and patients need to be hospitalized when receiving it."