Question:

Australian antigen for hepatitis b is?

Updated On: Jul 14, 2025
  • Hb S ag
  • Hb E ag
  • Hb D ag
  • HbV Dna
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The Correct Option is A

Solution and Explanation

In the context of hepatitis B, the "Australian antigen" refers to the surface antigen of the hepatitis B virus (HBV), also known as HBsAg, where "HB" stands for hepatitis B, "s" for surface, and "Ag" for antigen. This antigen is the primary marker used for detecting active hepatitis B infection.
AntigenType
Hb S agHepatitis B surface antigen (HBsAg)
Hb E agHepatitis B e antigen (HBeAg)
Hb D agNot a recognized hepatitis marker
HbV DnaHBV DNA - Represents viral genetic material
In summary, the Australian antigen for hepatitis B is correctly identified as HBsAg, making the correct answer Hb S ag.
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