Bacterial Pathogens Quiz
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Questions and Answers

Which bacteria is responsible for causing diphtheria?

  • Clostridium difficile
  • Clostridium tetani
  • Bordetella pertussis
  • Corynebacterium diphtheriae (correct)

Which bacteria is known for producing a characteristic 'barnyard' smell in culture?

  • Bordetella pertussis
  • Corynebacterium diphtheriae
  • Clostridium difficile
  • Clostridium tetani (correct)

Which bacteria is responsible for causing botulism?

  • Bordetella pertussis
  • Clostridium botulinum (correct)
  • Corynebacterium diphtheriae
  • Clostridium tetani

Which bacteria is part of the normal intestinal flora?

<p>Clostridium difficile (B)</p> Signup and view all the answers

Which bacteria is known for producing enterotoxin A, causing disruption of tight cell to cell junction and subsequent diarrhea?

<p>Clostridium difficile (A)</p> Signup and view all the answers

Which of the following statements about C. difficile is correct?

<p>C. difficile produces a variety of volatile fatty acids that produce a characteristic 'barnyard' smell in culture. (A)</p> Signup and view all the answers

Which toxin produced by C. difficile causes chemotaxis and reinforced production of cytotoxins, leading to hemorrhagic necrosis?

<p>Enterotoxin A (B)</p> Signup and view all the answers

What is the function of hyaluronidase in C. difficile?

<p>Hydrolytic activity (B)</p> Signup and view all the answers

What is the role of enterotoxin B produced by C. difficile?

<p>Causes depolymerization of actin, leading to destruction of the cellular cytoskeleton (C)</p> Signup and view all the answers

What percentage of the normal intestinal flora does C. difficile make up?

<p>10% (B)</p> Signup and view all the answers

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