HESI RN
HESI RN Patho Pharmacology Questions
Extract:
Question 1 of 5
How are Type IV hypersensitivity reactions different from all other types (I, II, or III) of hypersensitivity reactions?
Correct Answer: A
Rationale: Type IV hypersensitivity is T-cell mediated, unlike types I-III, which are antibody-mediated (
A). B-lymphocytes (
B) produce antibodies for I-III, not IV. Type IV requires sensitization, not first exposure (
C). Cytokine release (
D) occurs in IV but isn’t unique.
Question 2 of 5
Correct Answer:
Rationale:
Question 3 of 5
Correct Answer:
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Question 4 of 5
Correct Answer:
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Question 5 of 5
Correct Answer:
Rationale: