Test 9
1. The following statements are true about hepatitis B 
     surface antigen (HBsAg) EXCEPT:

a. it is made up of protein
b. it is present in chronic carrier of hepatitis B.
c. its presence indicates the virus is in the blood.
d. it may be positive before the patient develops symptoms 
    of acute hepatitis B.
e. it disappears when patients fully recovers from the disease. 
..
2. Which of the following test of hepatitis B  if positive 
     indicate the patient is highly contagious?


a. Hepatitis B surface antibody (anti-HBs).

b. Hepatitis B surface antigen (HBsAg).

c. Hepatitis B e-antigen (HBeAg).

d. Hepatitis B e-antigen antibody (anti-HBe).

e. Anti-hepatitis B core antigen (anti-HBc).

..
3. Which of the following test of hepatitis B indicates the
    patient is fully immune to hepatitis B?
a. Hepatitis B surface antibody (anti-HBs).

b. Hepatitis B surface antigen (HBsAg).

c. Hepatitis B e-antigen (HBeAg).

d. Hepatitis B e-antigen antibody (anti-HBe).

e. Anti-hepatitis B core antigen (anti-HBc).

.
4. The following statements is true about hepatitis B
     EXCEPT :
a. it is a DNA virus.
b. it has an incubation period of 2 to 6 months.
c. it is associated with hepatocellular carcinoma.
d. the risk of becoming a chronic carrier after acute infection
    is about 1%.
e. it can be transmitted through blood product.
.
5. Which of the following is a RNA virus:
a. rubella virus
b. Epstein-Barr virus
c. cytomegalovirus
d. herpes simplex virus
e. varicella zoster virus 
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