Hepatitis Viruses(Microbiology ) Questions and Answers

Question 1. The agent representing an isolate of hepatitis G virus is
  1.    GBV-B
  2.    GBV-C
  3.    none of these
  4.    GBA-A
Explanation:-
Answer: Option B. -> GBV-C
Question 2. Which of the following nucleic acid is present in hepatitis B virus?
  1.    ssDNA
  2.    dsRNA
  3.    dsDNA
  4.    ssRNA
Explanation:-
Answer: Option C. -> dsDNA
Question 3. Which of the following hepatitis viruses is not RNA virus?
  1.    Hepatitis E virus
  2.    Hepatitis G virus
  3.    Hepatitis A virus
  4.    Hepatitis B virus
Explanation:-
Answer: Option D. -> Hepatitis B virus
Question 4. Transmission of hepatitis G virus is
  1.    Parenterally
  2.    Sexually
  3.    Both (a) and (b)
  4.    None of these
Explanation:-
Answer: Option C. -> Both (a) and (b)
Question 5. Hepatitis G virus belongs to the family
  1.    Flaviviridae
  2.    Caliciviridae
  3.    Coronaviridae
  4.    Hepadnaviridae
Explanation:-
Answer: Option A. -> Flaviviridae
Question 6. The most serious infection is
  1.    coinfection of HBVand HDV
  2.    infection with HBV alone
  3.    superinfection of an HBsAg carrier by HDV
  4.    None of these
Explanation:-
Answer: Option C. -> superinfection of an HBsAg carrier by HDV
Question 7. Most reliable test for detection of hepatitis E infection is
  1.    ELISA test for IgG anti-HEV
  2.    ELISA test for IgM anti-HEV
  3.    Western blot assay for IgM anti-HEV
  4.    Polymerase chain reaction for detection of HEV RNA
Explanation:-
Answer: Option D. -> Polymerase chain reaction for detection of HEV RNA
Question 8. Which of the following viral infections can result in chronic carrier state?
  1.    HBV
  2.    HDV
  3.    All of these
  4.    HCV
Explanation:-
Answer: Option C. -> All of these
Question 9. Which of the following specimens contain/s hepatitis B virus in an infected person?
  1.    Saliva
  2.    Blood
  3.    All of these
  4.    Semen
Explanation:-
Answer: Option C. -> All of these
Question 10. Vertical transmission may be seen in
  1.    Hepatitis D virus
  2.    All of these
  3.    Hepatitis B virus
  4.    Hepatitis C virus
Explanation:-
Answer: Option B. -> All of these
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