Mastering GIT Infections
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Questions and Answers

Which bacteria is the causative agent of typhoid fever?

  • Salmonella paratyphi B
  • Salmonella paratyphi C
  • Salmonella paratyphi A
  • Salmonella typhi (correct)

    • What is the source of contamination for typhoid fever?

  • Contaminated food and water (correct)
  • Airborne droplets
  • Insect bites
  • Direct contact with an infected person

    • What is the incubation period for typhoid fever?

  • 15-20 days
  • 1-3 days
  • 10-14 days (correct)
  • 2-7 days

    • In which regions is typhoid fever endemic?

    <p>Africa, Asia, Middle East, and Latin America</p> Signup and view all the answers

    What is the virulence factor that prevents killing of Salmonella typhi?

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

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