Enteroviruses and Picornavirus Family
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Questions and Answers

What is the meaning of 'enteric' in enteroviruses?

  • Cardiovascular
  • Nervous
  • Intestinal (correct)
  • Respiratory
  • Which virus was historically the most significant disease caused by an enterovirus?

  • Echovirus
  • Poliovirus (correct)
  • Enterovirus D68
  • Coxsackie A virus
  • How many non-polio enteroviruses can cause disease in humans?

  • 81 (correct)
  • 22
  • 3
  • 25
  • What defines cellular receptor specificity and virus antigenicity of enteroviruses?

    <p>Capsid proteins (B)</p> Signup and view all the answers

    Based on their pathogenesis, how were the enteroviruses originally classified?

    <p>Polioviruses, Coxsackie A viruses, Coxsackie B viruses, and echoviruses (D)</p> Signup and view all the answers

    Which region is used to name enteroviruses isolated more recently?

    <p>VP1 capsid region (B)</p> Signup and view all the answers

    What do enteroviruses affect besides the intestine?

    <p>Respiratory secretions and stool (D)</p> Signup and view all the answers

    What is the transmission route for enteroviruses?

    <p>'Enteric' transmission through the intestine (C)</p> Signup and view all the answers

    How many serotypes of poliovirus exist?

    <p>3 (C)</p> Signup and view all the answers

    What is the characteristic genomic feature of enteroviruses?

    <p>Single positive-strand genomic RNA (C)</p> Signup and view all the answers

    Which of the following is not a classification group of enteroviruses based on pathogenesis?

    <p>EV-D68, EV-B69, EV-D70, EV-A71 etc. (D)</p> Signup and view all the answers

    What is the most common form of poliovirus encountered in nature?

    <p>PV-1 (D)</p> Signup and view all the answers

    Which type of enterovirus can affect the spinal cord and cause poliomyelitis?

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

    What defines the cellular receptor specificity and virus antigenicity of poliovirus?

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

    What is the main method for diagnosing poliovirus infection?

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

    What type of treatment is available for poliovirus infection?

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

    Which form of poliovirus is the most common in nature?

    <p>PV-1 (D)</p> Signup and view all the answers

    What is the main method for diagnosing poliovirus infection?

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

    Which form of poliovirus is the most common in nature?

    <p>PV-1 (C)</p> Signup and view all the answers

    What type of treatment is available for poliovirus infection?

    <p>Supportive treatment (B)</p> Signup and view all the answers

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