Virulence factor Moodle quiz
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Virulence factor Moodle quiz

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@WiseTropicalIsland4758

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Questions and Answers

In order to survive, pathogens require a source of nutrients, protection from harmful elements and:

  • Dissemination through the oesophagus
  • Colonization of a niche in the host (correct)
  • Access to the vascular system
  • Access to the digestive system
  • Some enveloped viruses use antigenic variation which makes it difficult for the immune system to recognise different strains of the virus. Which type of antigenic variation results in a major change in spike proteins due to gene reassortment?

  • Antigenic shift (correct)
  • Antigenic drift
  • Antigenic draft
  • Antigenic shaft
  • Which pathogen type is always a member of the normal microbiota and only causes disease in an immunocompromised host?

  • Primary pathogen
  • Individual pathogen
  • Discreet pathogen
  • Opportunistic pathogen (correct)
  • Which type of pathogen is an environmental microbe that is able to cause disease in an otherwise healthy individual?

    <p>Primary pathogen</p> Signup and view all the answers

    Virulence factors can be described as:

    <p>All of the above</p> Signup and view all the answers

    What kind of virulence factors are proteases, nucleases, phospholipases and glycohydrolases?

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

    Which of these virulence factors act as adhesins?

    <p>All of the above</p> Signup and view all the answers

    Which of these virulence factors assist in promoting colonization of the host?

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

    Which of these virulence factors enable damage to be caused to the host?

    <p>Toxins and exoenzymes</p> Signup and view all the answers

    Which virulence factor does Porphyromonas Gingivalis use which leads to disregulated immunity in the gingival tissues and breakdown of the structures around the teeth?

    <p>Fimbraie and exoenzyme Gingipains</p> Signup and view all the answers

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