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 ushing\ntachycardia 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: The symptoms of the patient are d/t hypersensitivity type I reaction Type I is mediated by IgE and it airs up within minutes.\nThe symptoms range from rashes to anaphylactic shock with vasodilatory hypotension and bronchiolar spasm.\nExamples of type I \nEczema* Hay fever* Asthma* Anaphylactic shock* Urticaria* A cute dermatitis\n* Theobald Smith reaction *\nOther hypersensitivity reactions Type II is characterized by an antigen antibody reaction on the surface of a host cell*.\nMediated by IgG or IgM. Examples\n\nBlood transfusion reactions *\nTransplant rejection *\nAuto immune hemolytic anaemia*\nAuto immune thrombocytopenic purpura *\nDiabetes disease*\nGood pasture’s syndrome *\nGrave's disease*\nMyasthenia gravis*\nPemphigus\nPernicious anaemia\n\n1. Rheumatic fever* Type HI reactions Mediated by antigen / antibody complex*.\nExamples\n\nPAN*\nPost streptococcal glomerulonephritis*\nRheumatoid arthritis*\nSystemic lupus erythematosis*\nAcute viral hepatitis*\nPenicillamine toxicity*\nSerum sickness*\nArthus reaction*", 'role': 'assistant'}]