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USMLE · Question #413

USMLE Question #413: Real Exam Question with Answer & Explanation

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Question

A letter carrier is severely bitten by a pit bull guarding a junkyard. The wound is cleansed, and the letter carrier receives a booster injection of tetanus toxoid and an injection of penicillin G. Several days later, the wound is inflamed and purulent. The exudate is cultured on blood agar and yields gram-negative rods. Antibiotic sensitivity tests are pending. The most likely agent to be isolated is

Options

  • ABartonella henselae
  • BBrucella canis
  • CClostridium tetani
  • DPasteurella multocida
  • EToxocara canis

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