Pneumonia USMLE Step 1 Practice Question
A 19-year-old college student living in a dormitory presents with fever, sore throat, and malaise for 2 days, followed by nonproductive cough and dyspnea. Chest X-ray shows bilateral interstitial infiltrates. Throat culture is negative. The patient was in contact with a classmate who had similar symptoms 3 weeks ago. Which of the following is the most likely organism?
Answer choices
- AAdenovirus
- BNeisseria meningitidis
- CInfluenza A virus
- DMycoplasma pneumoniaeCorrect answer
- EStreptococcus pneumoniae
- FLegionella pneumophila
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