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

What is the most common clinical form of abortive poliomyelitis?

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

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

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

What is the incubation period for poliovirus infection?

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

Which type of infection passes to stool without viremia?

<p>Asymptomatic, Inapparent infection (C)</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 (A)</p> Signup and view all the answers

What is the immune response in infected individuals?

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

What is the predominant finding in nonparalytic poliomyelitis?

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

Which part of the body is affected in abortive poliomyelitis?

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

What type of immunity does poliovirus infection provide?

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

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

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

What is the range of responses to poliovirus infection?

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

Which form of poliovirus infection is characterized by flaccid paralysis?

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

What is the immune response in infected individuals?

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

What is the most common clinical form of poliovirus infection?

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

What causes viremia but not CNS invasion?

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

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