USMLE Exam Prep

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Which of the following bacteria is a grampositive cocci that commonly causes skin infection and abscess formation?
  1. Staphylococcus aureus
  2. Streptococcus bovis
  3. Streptococcus viridans
  4. Staphylococcus saprophyticus
Explanation
Answer: A - Staphylococcus aureus is a gram-positive coccus which causes abscess formation, gastroenteritis, endocarditis, toxic shock syndrome, and scalded skin syndrome.
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