16. A 71-year-old man with a 28-pack-year history of smoking, | All eBook Stores

16. A 71-year-old man with a 28-pack-year history of smoking, who quit smoking 1 year ago, is diagnosed with chronic obstructive pulmonary disease (COPD). He has a mild cough, no sputum production, and is short of breath upon exertion. He has not had any episodes of exacerbation leading to hospitalization. His COPD Assessment Test (CAT) score is 15 and his modified Medical Research Council dyspnea questionnaire (mMRC) score is 3. According to the 2020/2021 Global Initiative for Chronic Obstructive Lung Disease (GOLD) recommendations, which of the following classes of drugs would be preferred as initial pharmacologic treatment?