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: Pathology
[{'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: Ans. is 'b' i.e., IgE mediated reaction o The symptoms of the patient are d/t hypersensitivity type I reaction Type I is mediated by IgE and it flairs up within minutes. o There are typical features of anaphylaxis (systemic Type I hypersensitivity). Clinical manifestations of anaphylaxis o Flushing and tachycardia are usually the first and are invariant symptoms of anaphylaxis. o Uicaria (pruritis) o Angiodema o Respiratory distress and wheezing due to bronchoconstriction. o Confusion and alteration of mental status can occur.", 'role': 'assistant'}]