This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Virology, Subject name: Microbiology
[{'content': 'A 33-year-old nurse suffered a needle stick injury. The patient used illicit intravenous drugs. One month later, the nurse developed jaundice. Which of the following finding would implicate hepatitis B as the etiology \nSelect and explain. \nA. Positive antihepatitis A antibody, B. Positive hepatitis B surface antigen, C. Positive antihepatitis B-core antibody, D. Positive antihepatitis B surface antibody', 'role': 'user'}, {'content': 'Answer: B \nExplanation: The presence of hepatitis B surface antigen means actively replicating virus, and in the context of the recent needle stick injury, this likely represents a hepatitis B infection. Ref:- Harshmohan textbook of Pathology', 'role': 'assistant'}]