Patho Week 5: Hepatitis A,B & C
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Questions and Answers

What type of genome does Hepatitis A Virus (HAV) possess?

  • Retrovirus
  • RNA (correct)
  • DNA
  • Viral protein
  • What is the typical incubation period for Hepatitis A Virus?

  • 2 – 4 weeks
  • 4 – 6 weeks (correct)
  • 6 – 8 weeks
  • 1 – 2 weeks
  • Which mode of transmission is associated with Hepatitis A Virus?

  • Blood transfusion
  • Sexual contact
  • Fecal-oral (correct)
  • Airborne particles
  • What is a common complication associated with Hepatitis A Virus infection?

    <p>Acute liver failure</p> Signup and view all the answers

    What is the onset pattern of Hepatitis A Virus symptoms?

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

    What is the genome of Hepatitis B?

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

    What is the mode of transmission of Hepatitis B?

    <p>Parenteral/sexual</p> Signup and view all the answers

    What is the icubation time for Hepatitis B?

    <p>6 weeks-6 months</p> Signup and view all the answers

    What is the onset of Hepatitis B?

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

    What is the chronicity of Hepatitis B?

    <p>5% of adults, 90% of infants</p> Signup and view all the answers

    What are the clinical manifestations of Hepatitis B?

    <p>Acute hepatitis, like in Hep A</p> Signup and view all the answers

    What are the complications in Hepatitis B?

    <p>Liver cancer secondary to liver cirrhosis, like Hep C</p> Signup and view all the answers

    What vaccine does Hepatitis A & B have?

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

    Which type of hepatitis doesn't have a vaccine?

    <p>Hep C</p> Signup and view all the answers

    What is the genome of Hepatitis C?

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

    What is the mode of transmission of Hepatitis C?

    <p>Blood-borne, IV drug use</p> Signup and view all the answers

    What is the onset of Hepatitis C?

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

    What is the chronicity for Hepatitis C?

    <p>Mild and vague symptoms (fatigue, malaise, nausea)</p> Signup and view all the answers

    What are the complications of Hepatitis C?

    <p>Liver cancer secondary to liver cirrhosis</p> Signup and view all the answers

    Study Notes

    Hepatitis A Virus (HAV)

    • HAV is an RNA virus.
    • It spreads through the fecal-oral route.
    • The incubation period is 4 to 6 weeks.
    • Onset is abrupt, meaning it starts suddenly.
    • HAV infection does not lead to chronic illness.
    • The main clinical manifestation is acute hepatitis.
    • Potential complications include acute liver failure and death, though these are rare.
    • A vaccine is available to prevent HAV infection.

    Hepatitis A Virus

    • Hepatitis A Virus (HAV) possesses a single-stranded RNA genome.
    • The incubation period for HAV typically lasts 15-50 days.
    • HAV is transmitted through the fecal-oral route.
    • Fulminant hepatitis, a severe form of liver failure, is a potential complication of HAV infection.
    • The onset of HAV symptoms is usually abrupt.
    • Acute viral hepatitis is a sudden inflammation of the liver caused by a virus.
    • Jaundice is a common characteristic of acute viral hepatitis types A, B, and C.
    • Acute viral hepatitis is classified based on the specific virus causing the infection.
    • Duration differentiates acute viral hepatitis from chronic hepatitis. Acute hepatitis is short-term, while chronic hepatitis is long-term.
    • Untreated acute viral hepatitis infections can lead to liver failure.

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