The first serological marker of Hepatitis B is:
A. HBsAg.
B. HBeAg.
C. Anti-HBc.
D. Anti-HBs.
Question 2
In obstructive liver disease, the following test results are found:
a. Feces: urobilinogen decreased; urine: bilirubin: positive; serum: conjugated bilirubin increased.
b. Feces: urobilinogen decreased or negative; urine: urobilinogen decreased or negative; serum: conjugated bilirubin decreased.
c. Feces: urobilinogen increased; urine: bilirubin: normal; serum: conjugated bilirubin normal or slightly elevated.
d. None of the above