Clostridioides Difficile Infection Quiz
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Questions and Answers

What is the most severe form of antibiotic associated diarrhea?

  • Pseudomembranous colitis (correct)
  • Clostridium difficile
  • Colitis
  • Antibiotic associated diarrhea

    • What is the target of PCR in detecting Clostridioides difficile?

  • Spores of Clostridioides difficile
  • Gene for Toxin B (correct)
  • Vancomycin resistance gene
  • Gene for Toxin A

    • What is the mode of action of CDT toxin?

  • Causes cell distention and DNA damage (correct)
  • Inhibits protein synthesis
  • Causes DNA damage and cell cycle block
  • Leads to cell death through apoptosis

    • What is the result of the catalytic CdtB subunit in CDT toxin?

    <p>Release from micro vesicle</p> Signup and view all the answers

    What is the effect of CDT toxin on the epithelial lining?

    <p>Causes epithelial toxicity</p> Signup and view all the answers

    What is the organism associated with CDT toxin that causes bloody diarrhea?

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

    What is the primary cause of cholera symptoms?

    <p>Toxin produced by the bacteria</p> Signup and view all the answers

    What is the effect of antibiotics on cholera symptoms?

    <p>They reduce the diarrhea by 50%</p> Signup and view all the answers

    What is the mechanism by which the cholera toxin causes the loss of chloride ions?

    <p>By keeping the cAMP running, which pumps out chloride ions</p> Signup and view all the answers

    What is the characteristic of the colonies formed by V. cholerae on TCBS?

    <p>They are yellow</p> Signup and view all the answers

    What is the serotype of classic cholera?

    <p>Serotype 01</p> Signup and view all the answers

    What is the result of the continuous loss of water and electrolytes in cholera?

    <p>Severe dehydration</p> Signup and view all the answers

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