Poliomyelitis Virus and Its Effects
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Questions and Answers

What is the predominant finding in paralytic poliomyelitis?

  • Stiff neck
  • Sore throat and nausea
  • Flaccid paralysis (correct)
  • Fever and headache
  • Which form of poliovirus infection is characterized by viremia but not CNS invasion?

  • Asymptomatic, Inapparent infection
  • Paralytic poliomyelitis
  • Nonparalytic poliomyelitis
  • Abortive poliomyelitis (correct)
  • Which part of the body is affected in nonparalytic poliomyelitis?

  • Blood
  • Muscles
  • Gastrointestinal tract
  • Central nervous system (correct)
  • What type of immunity does poliovirus infection provide?

    <p>Type-specific immunity</p> Signup and view all the answers

    What is the most common clinical form of abortive poliomyelitis?

    <p>Mild, febrile illness</p> Signup and view all the answers

    Which virus affects the brainstem, leading to 'bulbar' poliomyelitis?

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

    What is the incubation period for poliovirus infection?

    <p>10 to 14 days</p> Signup and view all the answers

    Which type of infection passes to stool without viremia?

    <p>Asymptomatic, Inapparent infection</p> Signup and view all the answers

    What is the range of responses to poliovirus infection?

    <p>Asymptomatic, Inapparent infection; Abortive poliomyelitis; Nonparalytic poliomyelitis; Paralytic poliomyelitis</p> Signup and view all the answers

    What is the immune response in infected individuals?

    <p>IgA and IgG to the specific sero-type</p> Signup and view all the answers

    What is the predominant finding in nonparalytic poliomyelitis?

    <p>Aseptic meningitis</p> Signup and view all the answers

    Which part of the body is affected in abortive poliomyelitis?

    <p>Central nervous system</p> Signup and view all the answers

    What type of immunity does poliovirus infection provide?

    <p>Type-specific immunity</p> Signup and view all the answers

    Which virus affects the brainstem, leading to 'bulbar' poliomyelitis?

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

    What is the range of responses to poliovirus infection?

    <p>Asymptomatic infection and respiratory paralysis</p> Signup and view all the answers

    Which form of poliovirus infection is characterized by flaccid paralysis?

    <p>Paralytic poliomyelitis</p> Signup and view all the answers

    What is the immune response in infected individuals?

    <p>IgA and IgG to the specific serotype</p> Signup and view all the answers

    What is the most common clinical form of poliovirus infection?

    <p>Asymptomatic, Inapparent infection</p> Signup and view all the answers

    What causes viremia but not CNS invasion?

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

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