This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pathology
In a patient with Hepatitis B infection. Which one of the markers will be increased? 
Select and explain. 
A. HbsAg, B. HbcAg, C. Anti HbsAg IgG, D. Anti HbcAg IgG
D: Anti HbcAg IgG
Answer: D: Anti HbcAg IgG 
Explanation: Answer- D. Anti HbcAg IgGBest marker for diagnosing acute hepatitis B is IgM anti-HBc as it is found only in the acute phase of hepatitis B (In chronic hepatitis IgG anti-HBc is found).