Staphylococci Lecture Quiz
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Questions and Answers

What is the distinguishing feature of Staphylococci when observed under the microscope?

  • Appear as single cells
  • Appear in clusters (bundle of grapes) (correct)
  • Appear in long chains
  • Appear in pairs

    • Which of the following media is selective and differential for staphylococci?

  • Mannitol Salt (Chapman) agar (MSA) (correct)
  • Blood agar
  • Chocolate agar
  • MacConkey agar

    • What is the catalase reaction for Staphylococcus?

  • Catalase negative
  • Catalase variable
  • Catalase neutral
  • Catalase positive (correct)

    • Which of the following is a virulence factor of staphylococci?

    <p>C5a peptidase (B)</p> Signup and view all the answers

    How do staphylococci appear in smears prepared from clinical specimens?

    <p>Clusters (bundle of grapes) (A)</p> Signup and view all the answers

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