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 (C)</p> Signup and view all the answers

Which viral family includes the Rotavirus?

<p>Reovirus (A)</p> Signup and view all the answers

Which viral family does the influenza virus belong to?

<p>Orthomyxoviridae (C)</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) (B)</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 (B)</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 (A)</p> Signup and view all the answers

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

<p>Nucleus (D)</p> Signup and view all the answers

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