Viral Hepatitis Serology Quiz
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Questions and Answers

Which virus primarily attacks the liver and is responsible for 95% of acute hepatitis cases?

  • Hepatitis B virus (correct)
  • Hepatitis E virus
  • Cytomegalovirus (CMV)
  • Epstein-Barr virus (EBV)
  • What is the general term that signifies inflammation of the liver?

  • Hepatitis A (correct)
  • Ionizing radiation
  • Hepatitis C virus
  • Autoimmune processes
  • What is the most widely used test method for hepatitis testing?

  • PCR
  • Western Blot
  • Immunofluorescence
  • ELISA (correct)
  • Which virus is known to cause symptomatic infections with symptoms like fever, anorexia, jaundice, vomiting, and fatigue?

    <p>Hepatitis A virus</p> Signup and view all the answers

    Which hepatitis virus is a nonenveloped, single-stranded RNA virus?

    <p>Hepatitis A</p> Signup and view all the answers

    Which type of hepatitis virus involves the liver secondarily in the course of systemic infection?

    <p>Epstein-Barr virus (EBV)</p> Signup and view all the answers

    What is the incubation period for Hepatitis B?

    <p>50-180 days</p> Signup and view all the answers

    What laboratory tests show increased levels of AST and ALT before jaundice occurs?

    <p>AST and ALT levels</p> Signup and view all the answers

    Which group is considered high-risk for Hepatitis B infection?

    <p>Intravenous drug users</p> Signup and view all the answers

    How is Hepatitis D transmitted?

    <p>Parenteral exposure to infectious blood or body fluids</p> Signup and view all the answers

    Which antibody analysis method is considered diagnostic for an acute infection in hepatitis A cases?

    <p>Increased anti-HAV antibodies in single acute sample</p> Signup and view all the answers

    What is the mortality rate for Hepatitis A?

    <p>&lt; 0.1%</p> Signup and view all the answers

    What does the presence of antiHBs antibodies indicate in chronic infections?

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

    What is the most common mode of transmission for Hepatitis C?

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

    Which antibody is diagnostic of Hepatitis C infection?

    <p>Anti-HCV IgM</p> Signup and view all the answers

    In Hepatitis D infection, what is required for replication and host infection?

    <p>HBsAg from HBV infection</p> Signup and view all the answers

    What is the best test to use for the diagnosis of Hepatitis C?

    <p>Immunoblot assay</p> Signup and view all the answers

    What percentage of acute Hepatitis cases become chronic with 25% progressing to cirrhosis?

    <p>~50-80%</p> Signup and view all the answers

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