Staphylococcus aureus Toxins and Functions Comparison
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Questions and Answers

Which toxin of Staphylococcus aureus can cause necrotic lesions of the skin or mucous membranes, including necrotic haemorrhagic pneumonia?

  • Exfoliative toxins (correct)
  • Panton-Valentine leukocidin
  • Enterotoxin A
  • Hemolysins
  • Which of the following toxins of Staphylococcus aureus is responsible for causing Staphylococcal Scalded Skin Syndrome (SSSS)?

  • Enterotoxin A (correct)
  • Panton-Valentine leukocidin
  • Exfoliative toxins
  • Hemolysins
  • What is the most common food-borne enterobacterial infection?

  • Salmonellosis (correct)
  • Typhoid fever
  • Escherichiosis
  • Dysentery
  • Which bacteria is characteristic of lactose fermentation?

    <p>E. coli</p> Signup and view all the answers

    Where is the O-antigen of enterobacteria found?

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

    Which of the following is NOT one of the toxins causing food poisoning by Staphylococcus aureus?

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

    Which of the following bacteria is an obligate representative of normal human microflora?

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

    What type of respiration does enterobacteria typically exhibit?

    <p>Facultative anaerobic</p> Signup and view all the answers

    Which of the following pathogens is commonly associated with elevated urinary tract infections?

    <p>Klebsiella pneumoniae</p> Signup and view all the answers

    Which characteristic is common to all members of the Enterobacteriaceae family?

    <p>Gram-negative rods</p> Signup and view all the answers

    How do pathogenic Escherichias differentiate from opportunistic pathogens?

    <p>Ability to ferment lactose</p> Signup and view all the answers

    Shigella has the following main antigens:

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

    Which enterobacterium is an obligate representative of normal human microflora?

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

    What type of respiration do enterobacteria typically exhibit?

    <p>Facultative anaerobic</p> Signup and view all the answers

    Which enterobacterium most commonly causes elevated urinary tract infections?

    <p>Klebsiella pneumoniae</p> Signup and view all the answers

    Which characteristic is common to all members of the Enterobacteriaceae family?

    <p>Gram-negative rods</p> Signup and view all the answers

    How do pathogenic Escherichias differentiate from opportunistic pathogens?

    <p>Ability to ferment lactose</p> Signup and view all the answers

    Which of the following toxins of Staphylococcus aureus is responsible for causing necrotic lesions of the skin or mucous membranes, including necrotic haemorrhagic pneumonia?

    <p>Exfoliative toxins</p> Signup and view all the answers

    What is the most common food-borne enterobacterial infection?

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

    Which of the following bacteria is characteristic of lactose fermentation?

    <p>E. coli</p> Signup and view all the answers

    Where is O-antigen of enterobacteria found?

    <p>Inside cell wall</p> Signup and view all the answers

    Which type of respiration do enterobacteria typically exhibit?

    <p>Facultative anaerobic respiration</p> Signup and view all the answers

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