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

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

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

What is the incubation period for Hepatitis B?

<p>50-180 days (B)</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 (C)</p> Signup and view all the answers

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

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

How is Hepatitis D transmitted?

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

What is the mortality rate for Hepatitis A?

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

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

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

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

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

Which antibody is diagnostic of Hepatitis C infection?

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

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

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

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

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

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

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

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