22 Questions
Which of the following serologic markers indicates active HDV infection?
HDV RNA
What is the transmission route of Hepatitis E Virus?
Fecal-oral route
What is the target of Epstein-Barr Virus?
B cells
What is the average incubation period of Hepatitis E Virus?
6 weeks
Which of the following is a malignancy associated with Epstein-Barr Virus?
Burkitt's lymphoma
What is the transmission route of Hepatitis G Virus?
Bloodborne route
What is the primary route of transmission for Hepatitis A virus?
Fecal-oral route
What is the incubation period for Hepatitis A virus?
Around 28 days
What is the serological marker for acute Hepatitis A?
Anti-HAV IgM
What is the family of viruses that Hepatitis A virus belongs to?
Picornaviridae
What is the form of Hepatitis B virus that is associated with serum hepatitis?
Dane particle
What is the purpose of detecting HAV RNA in clinical samples?
To detect HAV in clinical, food or water samples
What is the location of the Hepatitis B surface antigen (HBsAg)?
Cytoplasm of infected hepatocytes
What does the presence of HBsAg in a patient's serum indicate?
Active hepatitis B infection
When does HBsAg appear in the serum of a patient with hepatitis B?
2-10 weeks after exposure
What is the significance of HBsAg in hepatocellular carcinoma?
It is a risk factor for hepatocellular carcinoma
What is the relation between HBsAg and Hepatitis B envelope Antigen (HBeAg)?
HBeAg appears after HBsAg
What is the correlation between HBsAg and Anti-HBs?
Anti-HBs appears after HBsAg has disappeared
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
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
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
What is the role of HBsAg in hepatitis B diagnosis?
It is used to detect the presence of HBV infection
This quiz covers the relationship between Hepatitis B infection and the development of hepatocellular carcinoma, including the role of viral DNA integration and serological markers such as HBsAg and HBcAg.
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