Bacterial Infections USMLE Step 1 Practice Question
A 12 year old girl is brought to clinic with fever and a painful lump in her right axilla. She was scratched by a new kitten 2 weeks ago. Examination shows a papule on the forearm and tender unilateral axillary lymphadenopathy. Which of the following is the most likely causal organism?
Answer choices
- AStaphylococcus aureus
- BFrancisella tularensis
- CBrucella melitensis
- DBartonella henselaeCorrect answer
- EPasteurella multocida
- FMycobacterium marinum
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