Shigella spp. and Bacillary Dysentery
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Questions and Answers

Which of the following is a virulence factor of Shigella dysenteriae?

  • Neurotoxin
  • Cytotoxin
  • Enterotoxin (correct)
  • Urease enzyme
  • What is the characteristic clinical sign of Shigella dysenteriae infection?

  • Summer and infantile diarrhea
  • Abdominal cramps (correct)
  • Urease production
  • Formation of pseudo membranes
  • Which organism is responsible for urinary tract infections and Summer and infantile diarrhea?

  • Salmonella typhi
  • Proteus mirabilis
  • Proteus vulgaris
  • Proteus morgani (correct)
  • What does the urease enzyme produced by Proteus spp. do?

    <p>Increases the pH of urine</p> Signup and view all the answers

    How is Shigella spp. transmitted?

    <p>Oral-fecal route</p> Signup and view all the answers

    Study Notes

    Shigella dysenteriae

    • Shiga toxin is a virulence factor of Shigella dysenteriae
    • The characteristic clinical sign of Shigella dysenteriae infection is bloody diarrhea

    Pathogenic Organisms

    • Escherichia coli (E. coli) is responsible for urinary tract infections, Summer diarrhea, and infantile diarrhea

    Proteus spp.

    • The urease enzyme produced by Proteus spp. breaks down urea to ammonia, which raises the urinary pH and helps the bacteria to create a protective environment

    Transmission of Shigella

    • Shigella spp. is transmitted through the fecal-oral route, often via contaminated food or water

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    Description

    Test your knowledge on Shigella spp. and Bacillary Dysentery with a focus on epidemiology, virulence factors, pathogenesis, and clinical signs. This quiz covers important information on the bacteria and the disease it causes.

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