Bacterial Infections USMLE Step 1 Practice Question
A 33 year old woman comes to the clinic 12 hours after being bitten on the hand by her pet cat. The wound is erythematous, swollen, and very tender. She has no systemic symptoms. Culture later grows a small gram negative coccobacillus. Which of the following is the most likely causal organism?
Answer choices
- AFrancisella tularensis
- BPasteurella multocidaCorrect answer
- CBartonella henselae
- DStaphylococcus aureus
- ECapnocytophaga canimorsus
- FEikenella corrodens
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