What type of hypersensitivity is poison ivy?
Understand the Problem
The question is asking about the type of hypersensitivity reaction that is triggered by exposure to poison ivy, specifically the immune response involved.
Answer
type IV hypersensitivity
The final answer is type IV hypersensitivity
Answer for screen readers
The final answer is type IV hypersensitivity
More Information
Contact dermatitis caused by poison ivy is a type IV hypersensitivity reaction, which is mediated by T cells and occurs in a delayed manner.
Tips
A common mistake is confusing type IV hypersensitivity with other types (I, II, III), which involve different immune mechanisms and timelines.
Sources
- Type IV Hypersensitivity Reaction - StatPearls - NCBI Bookshelf - ncbi.nlm.nih.gov
- Toxicodendron Poisoning - Medscape Reference - emedicine.medscape.com
- Poison Ivy and the Immune System - Science | HowStuffWorks - science.howstuffworks.com
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