Practice Question
The nurse knows that Type IV Hypersensitivity Reaction involves which of the following?
Answer Choices:
Correct Answer:
T-lymphocyte memory cells
Rationale:
🔸 Type IV hypersensitivity is a delayed immune reaction.
🔸 It is mediated by sensitized T-cells, not antibodies.
🔸 Examples include contact dermatitis and transplant rejection.
🔸 Reactions usually occur 24–72 hours after exposure.
🔸 It does not involve histamine release like Type I reactions.
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This question is from ATI LPN Advanced Medsurg Exam 2 which contains 45 questions.
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Question Details
- Category: LPN Nursing Exam(s)
- Subcategory: LPN ATI Exams
- Domain: Medical-Surgical
- Answer Choices: 4