题目内容

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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Infection with hepatitis D virus (HDV, delta agent) can occur simultaneously with infection with hepatitis B virus (HBV) or in a carrier of hepatitis B virus because HDV is a defective virus that requires HBV for its replicative function. What serologic test can be used to determine whether a patient with HDV is an HBV carrier?

A. HBsAg
B. HBc IgM
C. HBeAg
D. HBs IgM
E. HBs IgG

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列举TivaWare软件库中的主要库名称。

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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

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?

列举TivaWare软件库中的主要库名称。

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