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: Medicine
[{'content': 'Anti LKM 3 antibody will be positive in: \nSelect and explain. \nA. Hepatitis D, B. Hepatitis B, C. Hepatitis C, D. Autoimmune hepatitis', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Anti LKM 3 antibody will be positive in chronic hepatitis D. MUST KNOW Anti-LKM 1 - Positive In chronic HCV and autoimmune hepatitis Anti-LKM 3 - Positive in chronic HDV ANA, Anti SLA - Positive in autoimmune hepatitis {Antinuclear antibody - autoimmune hepatitis type I, Antibodies to liver-kidney microsomes type 1 - autoimmune hepatitis type II} ALSO KNOW: In chronic HBV and drug induced chronic hepatitis, auto antibodies are uncommon. Ref: Harrison, Edition-18, Page-2568.', 'role': 'assistant'}]