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: Social & Preventive Medicine
[{'content': 'Type 2 lepra reaction occurs in: \nSelect and explain. \nA. Pauci bacillary leprosy, B. Multi bacillary leprosy, C. Both of the above, D. None of the above', 'role': 'user'}, {'content': 'Answer: B \nExplanation: There are two principal types of Lepra reactions. Type 1 and Type 2. Type 1 Lepra Reaction also known as Reversal Reaction may occur both in Pauci Bacillary (PB) and Multi Bacillary (MB) leprosy. Type 2 reaction is also known as Erythema Nodosum Leprosum (ENL) andoccurs only in MB leprosy. Ref:', 'role': 'assistant'}]