USMLE step 2 Mcq 359:A 60 year old man has a 10 day history of nonproductive cough and dyspnea on exertion

image Question:
A 60 year old man has a 10 day history of nonproductive cough and dyspnea on exertion. In addition to a normal left lung base, physical examination of his chest in the area of the right lung base showed, bronchial breath sounds, dull percussion note, increased tactile fremitus, and crackles. The most likely diagnosis is

a) asthmatic bronchitis
b) bullous emphysema
c) chronic bronchitis
d) congestive heart failure
e) lobar pneumonia


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