Virology: Influenza and RNA-Dependent RNA Polymerase
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Questions and Answers

What is a common route of transmission for viruses that cause hemorrhagic diseases?

  • Direct contact with infected animals
  • Contaminated food and water
  • Mosquito vectors
  • All of the above (correct)

    • Which of the following viruses is known to cause a lytic infection in pneumocytes, leading to SARS?

  • Coxsackie virus
  • Coronavirus (correct)
  • Rhinovirus
  • Poliovirus

    • What is the primary mechanism of transmission for Hepatitis A virus?

  • Fecal-oral transmission (correct)
  • Sexual transmission
  • Fomite transmission
  • Vector-borne transmission

    • Which virus is endemic in West Africa and known to cause a severe fever, myalgia, and hemorrhage?

    <p>Lassa virus</p> Signup and view all the answers

    What is the primary target of the immune response in viral infections?

    <p>Viral envelope proteins</p> Signup and view all the answers

    Which antiviral drug is effective against viruses that use a RNA-dependent RNA polymerase?

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

    What is the primary mechanism of cytopathogenesis in viral infections?

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

    Which virus is known to cause a severe, rare, and deadly disease in sub-Saharan Africa?

    <p>Ebola virus</p> Signup and view all the answers

    What is the primary route of transmission for poliomyelitis?

    <p>Contaminated food and water</p> Signup and view all the answers

    Which of the following viruses is not a coronavirus?

    <p>Lassa virus</p> Signup and view all the answers

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