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Micro & Immunology · single question

A patient recently prescribed an NSAID develops a hypersensitivity reaction. Which type is MOST consistent?

  1. Type IV – Delayed cell-mediated
  2. Type II – Cytotoxic
  3. Type III – Immune complex
  4. Type I – Immediate IgE-mediated
Show answer and explanation

Correct answer: A. Type IV – Delayed cell-mediated

The source documents Type IV hypersensitivity for this NSAID reaction scenario. ⚠️ Note: NSAIDs can cause multiple types; Type I anaphylactoid reactions also occur.
  • A. ✅ CORRECT (per source) – Type IV documented for this scenario.
  • B. ❌ Type II is not typical for NSAID drug reactions.
  • C. ❌ Type III is not the documented answer.
  • D. ❌ Type I IgE reactions can occur but the source documents Type IV.

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