题目内容

Which one of the following markers is closely associated with HBV infectivity and DNA polymerase activity?

A. HBeAg
B. HBsAg
C. HBcAg
D. Anti-HBc
E. HBeAb

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Which of the following is found within the nuclei of infected hepatocytes and not usually in the peripheral circulation?

A. HBeAg
B. HBsAg
C. HBcAg
D. Anti-HBc
E. HBeAb

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Hepatitis C (HCV) is usually a clinically mild disease, with only minimal elevation of liver enzymes. Hospitalization is unusual. Which one of the following statements best characterized HCV?

A. Few cases progress to chronic liver diseases
B. It often occurs in posttransfusion patients
C. HBV but not HVC infections occur in Ⅳdrug abusers
D. It is a DNA virus
E. Blood products are not tested for antibody to HCV

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Hepatitis D virus (delta agent) is a defective virus that can replicate only in cells already infected with which of the following viruses?

A. Hepatitis A virus
B. Epstein-Barr virus
C. Hepatitis G virus
D. Hepatitis B virus
E. HIV

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Hepatitis E, a recently characterized hepatitis virus, is best described by which of the following statements?

A. It is not a threat to the blood supply
B. It is a major cause of blood-borne hepatitis
C. It is prevalent in North America
D. It is a single-stranded DNA virus
E. The disease resembles hepatitis C

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Which one of the following markers is closely associated with HBV infectivity and DNA polymerase activity?

A. HBeAg B. HBsAg C. HBcAg D. Anti-HBc E. HBeAb

Which of the following is found within the nuclei of infected hepatocytes and not usually in the peripheral circulation?

Hepatitis C (HCV) is usually a clinically mild disease, with only minimal elevation of liver enzymes. Hospitalization is unusual. Which one of the following statements best characterized HCV?

Hepatitis D virus (delta agent) is a defective virus that can replicate only in cells already infected with which of the following viruses?

Hepatitis E, a recently characterized hepatitis virus, is best described by which of the following statements?

A. HBeAg
B. HBsAg
C. HBcAg
D. Anti-HBc
E. HBeAb