6. 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
7. Which of the following specimens contain/s hepatitis B virus in an infected person?
A. Blood
B. Semen
C. Saliva
D. All of these
8. Vertical transmission may be seen in
A. Hepatitis B virus
B. Hepatitis C virus
C. Hepatitis D virus
D. All of these
9. Which of the following viral infections can result in chronic carrier state?
A. HBV
B. HCV
C. HDV
D. All of these
10. 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
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