This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Immunology, Subject name: Microbiology
[{'content': 'Type 2 lepra reaction is an example of - \nSelect and explain. \nA. Type I hypersensitivity, B. Type II hypersensitivity, C. Type III hypersensitivity, D. Type IV hypersensitivity', 'role': 'user'}, {'content': "Answer: C \nExplanation: TType 2 lepra reaction occurs in LL and BL types, usually a few months after the institution of chemotherapy. Crops of tender, inflamed subcutaneous nodules appear, with fever , lymphadenopathy and ahralgia. This is an ahus type response ( type III hypersensitivity reaction), to antigen released from dead lepra cells and is characterised by neutrophil infiltration and IgG and complement deposition in the lesions. Reference : Anathanarayan & paniker's 9th edition, pg no: 367 <\\p>", 'role': 'assistant'}]