Bacterial Infections USMLE Step 1 Practice Question
A 38-year-old veterinarian presents with a 3-week history of fevers (38.9°C), night sweats, weight loss, and diffuse arthralgias. He recently returned from rural Greece where he consumed unpasteurized goat cheese and assisted with livestock deliveries. Vital signs show HR 102/min, BP 128/76 mmHg, RR 16/min. Examination reveals hepatosplenomegaly. Blood cultures remain negative. Which organism is most likely responsible for this clinical presentation?
Answer choices
- AFrancisella tularensis
- BCoxiella burnetii
- CSalmonella typhi
- DPasteurella multocida
- EBrucella melitensisCorrect answer
- FLeptospira interrogans
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