Physiology & Biochemistry · single question
Which of the following is an example of a Type III hypersensitivity reaction?
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Correct answer: C. Systemic lupus erythematosus (SLE)
Type III hypersensitivity involves immune complex deposition and includes SLE, serum sickness, and post-streptococcal glomerulonephritis. Graves disease and erythroblastosis fetalis are Type II (antibody directly targeting a cell-surface antigen/receptor), and contact dermatitis is Type IV (delayed, T-cell mediated).
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