This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Medicine
[{'content': 'Ram Devi presented with generalized edema, sweating, and flushing tachycardia and fever after bee sting. This is: \nSelect and explain. \nA. T cell mediated cytotoxicity, B. IgE mediated reaction, C. IgG mediated reaction, D. IgA mediated hypersensitivity reaction', 'role': 'user'}, {'content': "Answer: B \nExplanation: Symptoms of generalized edema, sweating, flushing, tachycardia and fever following bee sting indicates anaphylactic type of reactionThis is a type I hypersensitivity reaction mediated by IgE (ref: Harrison's 18/e p2710)", 'role': 'assistant'}]