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(M1.MC.15) About two weeks ago, an 11-year-old boy fell from his bicycle into some rose bushes and received superficial lacerations on his hands and arms. His mother bandaged up his wounds, and after a week she noticed that a localized pustular rash with yellow crusts developed on his right forearm (see Figure A). The child was taken to the pediatrician and a wound culture was taken that showed catalase-negative, beta-hemolytic Gram-positive cocci in chains. Which of the following agents is responsible for the infection? Topic Review Topic
FIGURES:   A          

1. Sporothrix schenckii
2. Staphylococcus aureus
3. Streptococcus mutans
4. Staphylococcus epidermidis
5. Streptococcus pyogenes

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