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
[{'content': 'Marker of level of liver injury in cases of hepatitis B is - \nSelect and explain. \nA. HBsAg, B. HBV DNA, C. Anti HBeAg, D. Anti HBc', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., HBV DNA In patients with chronic hepatitis B infection the level of HBV DNA correlates with the level of liver injury and risk of progression of disease.", 'role': 'assistant'}]