Thursday, 20 August 2015

Hepatitis Viruses

Hepatitis Viruses

:: Home > Microbiology > Hepatitis Viruses
The diagnosis of hepatitis A virus infection is carried out from the method based on__________

a. Aminotransferase levels
b. Detection of faecal HAV by immunoelectron microscopy
c. Both (a) and (b)
d. Detection of IgM anti-HAV by ELISA

Which of the following is not correct for hepatitis A virus?

a. It can be grown in cell cultures of primate and human cells
b. It is one of the most stable viruses infecting humans
c. It may cause hepatocellular carcinoma
d. None of the above

The agent representing an isolate of hepatitis G virus is__________

a. GBA-A
b. GBV-B
c. GBV-C
d. none of these

Which of the following viral infections can result in chronic carrier state?

a. HBV
b. HCV
c. HDV
d. All of these

Most reliable test for detection of hepatitis E infection is__________

a. ELISA test for IgM anti-HEV
b. Western blot assay for IgM anti-HEV
c. Polymerase chain reaction for detection of HEV RNA
d. ELISA test for IgG anti-HEV

Hepatitis G virus belongs to the family__________

a. Caliciviridae  
b. Flaviviridae
c. Hepadnaviridae          
d. Coronaviridae

Transmission of hepatitis G virus is__________

a. Parenterally
b. Sexually
c. Both (a) and (b)
d. None of these

The most serious infection is__________

a. Superinfection of an HBsAg carrier by HDV
b. Infection with HBV alone
c. Coinfection of HBVand HDV
d. None of the above

Which of the following specimens contain/s hepatitis B virus in an infected person?

a. Blood
b. Semen
c. Saliva
d. All of these

Which of the following hepatitis viruses is not RNA virus?

a. Hepatitis A virus
b. Hepatitis B virus
c. Hepatitis E virus
d. Hepatitis G virus

Which of the following nucleic acid is present in hepatitis B virus?

a. dsDNA         
b. ssRNA
c. ssDNA         
d. dsRNA

Vertical transmission may be seen in__________

a. Hepatitis B virus
b. Hepatitis C virus
c. Hepatitis D virus
d. All of these

Which of the following antigenic types of hepatitis B virus is present in the envelope?

a. HbsAg         
b. HBcAg
c. HBeAg         
d. HBxAg

The development of hepatocellular carcinoma is associated with__________

a. Ground squirrel hepatitis virus
b. Hepatitis B virus
c. Woodchuck hepatitis virus
d. All of the above

Which of the following antigenic types of hepatitis B virus is prevalent in India?

a. Adw 
b. Adr
c. Ayw 
d. Ayr

Hepatocellular carcinoma (Hepatoma) may be caused by__________

a. Hepatitis A virus
b. Hepatitis C virus
c. Both (a) and (b)
d. None of these

The defective satellite virus is__________

a. Hepatitis B
b. Hepatitis C
c. Hepatitis D
d. Hepatitis A

All of the following viruses are enveloped except__________

a. Hepatitis A virus
b. Hepatitis B virus
c. Hepatitis C virus
d. Hepatitis D virus


Which of the following viruses can be transmitted by the parenteral route?

a. HBV
b. HCV
c. HDV
d. All of these

The viruses, which is/are transmitted by parenteral and sexual routes is/are__________

a. Hepatitis B virus
b. Hepatitis C virus
c. Hepatitis G virus

d. All of these
Disqus Comments