**Core Concept**
HBV (Hepatitis B Virus) infection can be classified into different phases based on the presence of serum markers. The "super carrier" or chronic carrier state is characterized by the presence of HBV DNA and HBsAg (Hepatitis B surface antigen) in the serum, indicating an ongoing infection.
**Why the Correct Answer is Right**
A super carrier of HBV will have HBsAg, indicating the presence of the virus on the surface of infected hepatocytes. They will also have HBeAg (Hepatitis B e-antigen), which is secreted by the virus and indicates viral replication. HBeAg is a marker of high infectivity and viral replication. Additionally, anti-HBc (antibody to hepatitis B core antigen) will be present, indicating exposure to the virus.
**Why Each Wrong Option is Incorrect**
**Option A:** HBeAg is not present in the window period after acute infection or in individuals with occult HBV infection.
**Option B:** Anti-HBs (antibody to hepatitis B surface antigen) is present in individuals who have recovered from HBV infection or have been vaccinated.
**Option C:** HBV DNA is not a specific marker, as it can be detected in both acute and chronic infections.
**Clinical Pearl / High-Yield Fact**
The presence of HBeAg in a chronic carrier indicates high viral replication and increased infectivity, emphasizing the need for strict infection control measures.
**Correct Answer: C. HBV DNA, HBsAg, anti-HBc.**
Free Medical MCQs Β· NEET PG Β· USMLE Β· AIIMS
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