Staphylococcus Aureus Identification Quiz
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Questions and Answers

What is the main virulence factor of Staphylococcus aureus?

  • Protein A (correct)
  • Protein B
  • Hyaluronidase
  • Beta-hemolysin

    • Which Staphylococcus aureus enzyme destroys red blood cells, neutrophils, macrophages, and platelets?

  • Hemolysin (correct)
  • Coagulase
  • Hyaluronidase
  • Catalase

    • What characteristic feature of Staphylococcus aureus allows it to evade opsonization and phagocytosis?

  • Formation of beta-hemolytic colonies
  • Fermentation of mannitol
  • Expression of Protein A (correct)
  • Production of catalase

    • Which agar would turn yellow if Staphylococcus aureus ferments it?

    <p>Mannitol Salt agar</p> Signup and view all the answers

    Where does Staphylococcus aureus commonly colonize in the human body?

    <p>Nostrils</p> Signup and view all the answers

    How does Staphylococcus aureus mainly spread through contaminated foods?

    <p>Through meats and mayonnaise</p> Signup and view all the answers

    What is the most common cause of Septic Arthritis in adults?

    <p>S. Aureus</p> Signup and view all the answers

    What is the rapid onset condition characterized by large, erythematous abscesses?

    <p>Toxic Shock Syndrome</p> Signup and view all the answers

    What is the most common cause of osteomyelitis in adults?

    <p>S. Aureus</p> Signup and view all the answers

    Which of the following is a characteristic of Toxic Shock Syndrome (TSS)?

    <p>Both b and c</p> Signup and view all the answers

    Which antibiotic is typically used to treat MRSA (methicillin-resistant Staphylococcus aureus)?

    <p>Vancomycin</p> Signup and view all the answers

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