Deck 22: Viral Hepatitis

Question 1

Match the infection with the correct description.
Hepatitis A virus infection

A)Long-incubation hepatitis.
B)Infectious hepatitis or short-incubation hepatitis.

Answer 1

Infectious hepatitis or short-incubation hepatitis.

Question 2

Who should receive the hepatitis A vaccine?

A)Homosexual men who are sexually active.
B)All children under 1 year of age (12 to 23 months).
C)Individuals traveling to areas endemic for hepatitis A.
D)All of the above.

Answer 2

All of the above.

Question 3

Match the hepatitis virus with the correct description (primary or secondary).
Hepatitis A

A)Primary hepatitis virus
B)Secondary hepatitis virus

Answer 3

Primary hepatitis virus

Question 4

A patient with a known exposure to hepatitis B 3 weeks earlier has negative results for all markers when a hepatitis profile is performed, except for IgM anti-HBc. What is a possible reason for this result?

A)The wrong patient specimen was tested.
B)A false-negative result was caused by a technical error.
C)HBsAg was still too low in concentration to detect.
D)Anti-HBs titer had already peaked and was no longer detectable.

Question 5

HBV vaccine is administered three times over a period of ________months.

A)2
B)4
C)7
D)12

Question 6

A chronic carrier state (persistent infection) and chronic hepatitis (chronic liver disease) _______ occur as long-term sequelae of hepatitis A.

A)do
B)do not

Question 7

The hepatitis B serologic marker that yields a positive test result and is used as a benchmark for immunity after vaccination is

A)anti-HBc IgM.
B)anti-HBc IgG.
C)anti-HBe.
D)anti-HBs.

Question 8

Indicate which of the following responses is a unique finding in Hepatitis E Virus (HEV) infections:

A)Percutaneous contact with blood from an HEV-infected patient.
B)Infection takes place by the fecal-oral route, usually in poor sanitation conditions.
C)Household contacts of HEV-infected individuals are often at risk.
D)High seroprevalence of HEV in blood donors.

Question 9

The most frequently identified hepatitis B low-level carriers have _________ in their serum.

A)anti-HBe
B)anti-HBs
C)anti-HBc IgM
D)anti-HBc

Question 10

Hepatitis B vaccination should be administered in three doses over a span of _________.

A)6 weeks
B)2 months
C)7 months
D)1 year

Question 11

Match the infection with the correct description.
Hepatitis B virus infection

A)Long-incubation hepatitis.
B)Infectious hepatitis or short-incubation hepatitis.

Question 12

Which hepatitis B serologic marker is the classic first indication of a hepatitis B infection?

A)Anti-HBc
B)Anti-HBe
C)HBsAg
D)HBcAg

Question 13

Primary hepatitis viruses account for approximately ______% of cases of hepatitis.

A)10
B)25
C)50
D)95

Question 14

Which of the following hepatitis viruses can result in chronic infection and the potential development of liver cancer?

A)Hepatitis A
B)Hepatitis B
C)Hepatitis C
D)Both B and C.

Question 15

Match the hepatitis virus with the correct description (primary or secondary).
Epstein-Barr virus

A)Primary hepatitis virus
B)Secondary hepatitis virus

Question 16

Match the hepatitis virus with the correct description (primary or secondary).
Hepatitis C

A)Primary hepatitis virus
B)Secondary hepatitis virus

Question 17

Match the hepatitis virus with the correct description (primary or secondary).
Hepatitis B

A)Primary hepatitis virus
B)Secondary hepatitis virus

Question 18

The serologic markers in expected order of appearance in the serum of a patient with hepatitis B infection are

A)HBsAg, HBeAg, HBcAb, HBeAb, and HBsAb.
B)HBeAg, HBcAg, HBsAg, HBsAb, and HBcAb.
C)HBcAg, HBeAg, HBcAb, HBsAb, and HBsAg.
D)HBcAg, HBsAb, HBeAg, HBsAg, and HBcAb.

Question 19

Which hepatitis viruses have been scientifically identified as being spread by the transfusion of unscreened blood transfusion products?

A)Hepatitis A and hepatitis B
B)Hepatitis A and hepatitis D
C)Hepatitis B and hepatitis C
D)Hepatitis A and hepatitis G

Question 20

Serologic evidence of Hepatitis D infection (HDV) includes which of the following positive findings in the patient's serum?

A)HDV antigen
B)IgM or IgG HDV antibodies
C)HBsAg
D)All of the above.

Question 21

Match the virus with the appropriate description.
Hepatitis B virus

A)Complex DNA virus.
B)Small, RNA-containing picornavirus.
C)Small, enveloped, single-stranded RNA virus.

Question 22

Match the virus with the appropriate description.
Hepatitis A virus

A)Complex DNA virus.
B)Small, RNA-containing picornavirus.
C)Small, enveloped, single-stranded RNA virus.

Question 23

Match the virus with the appropriate description.
Hepatitis C virus

A)Complex DNA virus.
B)Small, RNA-containing picornavirus.
C)Small, enveloped, single-stranded RNA virus.