Directions:
Try the USMLE Step 3 questions below, pick one best answer from the choices below, then check your answer by clicking on the “get answer” button to see how you did.
Question:
A 27-year-old military recruit comes to the clinic with a 3-day history of a nonproductive cough, sore throat, fever, and myalgias. His temperature is 38.5 C (101.3 F), blood pressure is 120/70 mm Hg, pulse is 85/min, and oxygen saturation is 98% on room air. Auscultation of the chest reveals crackles in the bases bilaterally. The rest of his physical examination is normal. Laboratory studies show a normal leukocyte count with positive cold agglutinins, normal lactate dehydrogenase, and stitial infiltrates. The most appropriate next step in management is to
A. Administer erythromycin, intravenously
B. Begin therapy with oral erythromycin
C. Begin therapy with oral trimethoprim-sulfamethoxazole
D. Order a high-resolution CT scan of the chest
E. Order pulmonary function tests
