Audio Qbank – HY USMLE Q #399 – Micro / Pharm

A 49-year-old man presents to the physician for a 2-day history of chest tightness and productive cough. Temperature is 102 F. He has history of alcoholism. A chest x-ray and CT are shown.

The most appropriate pharmacologic treatment for this patient inhibits which of the following?

30S ribosome
50S ribosome
DNA gyrase
DNA polymerase
Dihydrofolate reductase
Ergosterol synthesis
Lanosterol synthesis