Pathogens of Intestinal Infections Quiz
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Questions and Answers

Which type of bacteria is most commonly associated with causing urinary tract infections?

  • Yersinia
  • Shigella spp.
  • Klebsiella (correct)
  • Salmonella spp.

    • What type of bacteria is characterized by gram-negative non-spore-forming sticks and movable peritrichs?

  • Yersinia
  • Shigella spp.
  • Salmonella spp.
  • Enterobacteria (correct)

    • What is the role of contact hemolysin in the pathogenicity of dysentery?

  • Has enterotropic, cyto– and neurotoxic effects
  • Promotes lysis of cell vacuole membranes (correct)
  • Provides the ability for invasion and intracellular reproduction
  • Has a general toxic effect on the body and protects the shigella trapped in the body

    • Which clinical form of dysentery is characterized by symptoms of central nervous system damage and bacteremia?

    <p>Grigoriev—Shiga dysentery</p> Signup and view all the answers

    Which antigen serves as part of the microcapsule of S.typhi, contributing to its virulence?

    <p>Vi – virulence antigen</p> Signup and view all the answers

    What is the specific prevention for dysentery mentioned in the text?

    <p>Dysentery bacteriophage</p> Signup and view all the answers

    What is the characteristic feature of the divisions Oomycota, Hyphochytridiomycota, and Chytridiomycota?

    <p>Asexual reproduction by means of zoospores</p> Signup and view all the answers

    Which type of spores are formed within sporangia and develop on specialized hyphae?

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

    How do Zygomycota reproduce asexually?

    <p>By sporangiospores</p> Signup and view all the answers

    What are oidia and chlamydospores examples of?

    <p>Asexual reproduction structures</p> Signup and view all the answers

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