This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bacterial infections, Subject name: Dental
[{'content': 'Type-I lepra reaction is commonly seen in: \nSelect and explain. \nA. Histoid Leprosy, B. Lepromatous Leprosy, C. Borderline tuberculoid leprosy, D. Polyneuritic leprosy', 'role': 'user'}, {'content': "Answer: C \nExplanation: type 1 reaction /reversal reaction is a delayed hypersensitivity reaction associated with a rapid increase in specific CMI activity against M.leprae. It usually occurs in borderline types of leprosy, (BB>BT >BL)characteristically associated with immunological instability. Page no.2046Reference IADVL's concise textbook of dermatology", 'role': 'assistant'}]