Viral Infections USMLE Step 1 Practice Question
A 52 year old kidney transplant recipient presents with fever, dyspnea, and nonproductive cough 6 weeks after transplantation. CT scan shows diffuse bilateral interstitial infiltrates. Bronchoalveolar lavage cytology reveals enlarged cells with basophilic intranuclear inclusions surrounded by a clear halo. Which of the following organisms is the most likely cause of this patient’s illness?
Answer choices
- ARespiratory syncytial virus
- BPneumocystis jirovecii
- CCytomegalovirusCorrect answer
- DHerpes simplex virus 1
- EAdenovirus
- FAspergillus fumigatus
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