COPD USMLE Step 1 Practice Question
A 58 year old man with alcohol use disorder is brought to the hospital after being found unconscious. One week later he develops fever, productive cough with foul smelling sputum, and right lower lobe cavitary lesion with an air fluid level on chest imaging. Which of the following is the most likely etiology?
Answer choices
- AHematogenous spread of Mycoplasma pneumoniae
- BAspiration of anaerobic oral floraCorrect answer
- CInhalation of silica particles
- DPrimary infection with influenza virus
- EAutoimmune destruction of pulmonary capillaries
- FHematogenous seeding from septic emboli originating in right-sided endocarditis
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