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 \nSelect and explain. \nA. T cell mediated cytotoxicity, B. IgG mediated reaction, C. IgE mediated reaction, D. IgA mediated hypersensitivity reaction', 'role': 'user'}, {'content': "Answer: C \nExplanation: The symptoms of the patient are d/t hypersensitivity type I reaction Type I is mediated by IgE and it flairs\xa0up\xa0within minutes.\nThe symptoms range from rashes to anaphylactic shock with vasodilatory hypotension and bronchiolar spasm.\nExamples of type I\nEczema*\nHay fever*\nAsthma*\nAnaphylactic shock*\nUrticaria*\nA cute dermatitis *\nTheobald Smith reaction *\nOther hypersensitivity reactions\nType II\nis characterized by an antigen-antibody reaction on the surface of a host cell*.\nMediated by IgG or IgM.\nExamples\n1. Blood transfusion reactions *\n2. Transplant rejection *\n3. Autoimmune hemolytic anaemia*\n4. Autoimmune thrombocytopenic purpura *\n5. Diabetes disease*\n6. Good pasture’s syndrome *\n7. Grave's disease*\n8. Myasthenia gravis*\n9. Pemphigus\n0. Pernicious anaemia*\n1. Rheumatic fever*\nType HI reactions\nMediated by antigen/antibody complex*.\nExamples\n1. PAN*\n2. Post streptococcal glomerulonephritis*\n3. Rheumatoid arthritis*\n4. Systemic lupus erythematosus*\n5. Acute viral hepatitis*\n6. Penicillamine toxicity*\n7. Serum sickness*\n8. Arthus reaction*\nType IV reaction\nCell-mediated reaction (delayed hypersensitivity)*.\nExamples\n1. Tuberculosis*\n2. Sarcoidosis*\n3. Temporal arteritis\n4. Contact dermatitis* (not that acute dermatitis in type I)\n5. Lepromin test*\n6. Patch test*\n7. PPD*", 'role': 'assistant'}]