Hepatitis B Infection and Carcinoma

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Which of the following serologic markers indicates active HDV infection?

Anti-HDV IgM

HDV RNA (correct)

Anti-HDV IgG

HEV RNA

What is the transmission route of Hepatitis E Virus?

Bloodborne route

Fecal-oral route (correct)

Salivary contact

Perinatal route

What is the target of Epstein-Barr Virus?

T cells

B cells (correct)

Hepatocytes

Macrophages

What is the average incubation period of Hepatitis E Virus?

6 weeks Signup and view all the answers

Which of the following is a malignancy associated with Epstein-Barr Virus?

Burkitt's lymphoma Signup and view all the answers

What is the transmission route of Hepatitis G Virus?

Bloodborne route Signup and view all the answers

What is the primary route of transmission for Hepatitis A virus?

Fecal-oral route Signup and view all the answers

What is the incubation period for Hepatitis A virus?

Around 28 days Signup and view all the answers

What is the serological marker for acute Hepatitis A?

Anti-HAV IgM Signup and view all the answers

What is the family of viruses that Hepatitis A virus belongs to?

Picornaviridae Signup and view all the answers

What is the form of Hepatitis B virus that is associated with serum hepatitis?

Dane particle Signup and view all the answers

What is the purpose of detecting HAV RNA in clinical samples?

To detect HAV in clinical, food or water samples Signup and view all the answers

What is the location of the Hepatitis B surface antigen (HBsAg)?

Cytoplasm of infected hepatocytes Signup and view all the answers

What does the presence of HBsAg in a patient's serum indicate?

Active hepatitis B infection Signup and view all the answers

When does HBsAg appear in the serum of a patient with hepatitis B?

2-10 weeks after exposure Signup and view all the answers

What is the significance of HBsAg in hepatocellular carcinoma?

It is a risk factor for hepatocellular carcinoma Signup and view all the answers

What is the relation between HBsAg and Hepatitis B envelope Antigen (HBeAg)?

HBeAg appears after HBsAg Signup and view all the answers

What is the correlation between HBsAg and Anti-HBs?

Anti-HBs appears after HBsAg has disappeared Signup and view all the answers

What is the result of a test that shows HBsAg negative, Anti-HBc negative, and Anti-HBs negative?

The patient is susceptible to hepatitis B Signup and view all the answers

What is the result of a test that shows HBsAg negative, Anti-HBc positive, and Anti-HBs positive?

The patient is immune to hepatitis B due to natural infection Signup and view all the answers

What is the result of a test that shows HBsAg positive, Anti-HBc IgM positive, and Anti-HBs negative?

The patient is in the acute phase of hepatitis B Signup and view all the answers

What is the role of HBsAg in hepatitis B diagnosis?

It is used to detect the presence of HBV infection Signup and view all the answers