Medical Virology: DNA & RNA Viruses of Importance
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Questions and Answers

Which RNA virus is responsible for causing Dengue fever?

  • Orthomyxoviridae
  • Flaviviridae (correct)
  • Paramyxoviridae
  • Picornaviridae

    • Which viral family does Influenza virus belong to?

  • Flaviviridae
  • Paramyxoviridae
  • Orthomyxoviridae (correct)
  • Picornaviridae

    • Which virus is associated with Measles and Mumps?

  • Orthomyxoviridae
  • Paramyxoviridae (correct)
  • Flaviviridae
  • Picornaviridae

    • Which viral family includes Coxsackie virus and Hepatitis A?

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

    Which viral family includes the Rotavirus?

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

    Which viral family does the influenza virus belong to?

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

    What are the two viral glycoproteins inserted into the envelope of the influenza virus?

    <p>Haemagglutinin (HA) and Neuraminidase (NA)</p> Signup and view all the answers

    What is the significance of genetic re-assortment in the influenza virus?

    <p>It leads to the assembly of mixtures of gene segments into progeny virions</p> Signup and view all the answers

    What does Viral Neuraminidase (NA) do in the pathogenesis of the influenza virus?

    <p>It lowers the viscosity of respiratory mucous layer, promoting spread of virus-containing fluid</p> Signup and view all the answers

    Where does RNA transcription & replication occur in the influenza virus?

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

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