This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Systemic Bacteriology (Gram Positive Bacilli, Gram Negative Bacilli), Subject name: Microbiology
[{'content': 'Main cytokine involved in erythema nodosum leprosum reaction is \nSelect and explain. \nA. IL 2, B. Interferon gamma, C. Tumour necrosis factor alpha, D. Macrophage colony stimulating factor', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Erythema nodosum leprosum rection is type II lepra rection .In this modules over skin are seen This is a type III hypersensitivity reaction . Main cytokine involve is TNF -alpha DOC - gluco-coicoids', 'role': 'assistant'}]