A patient is diagnosed with a type IV delayed hypersensitivity reaction. What is an example of this type of reaction?
1. latex allergy
2. reaction to a wasp sting
3. serum sickness
4. autoimmune hemolytic anemia
Correct Answer: 1
Contact dermatitis is a classic example of a type IV reaction. In the healthcare setting, an allergic response to latex can produce contact dermatitis. A reaction to a wasp sting is an example of a type I reaction. Serum sickness is an example of a type III reaction. Autoimmune hemolytic anemia is an example of a type II reaction.
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A. The pons B. The thalamus C. The hypothalamus D. The medulla oblongata
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