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Pathology · Inflammation
Sample itemWhich mediator causes vasodilation and pain?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
B. Prostaglandins
This item reviews Inflammation; Prostaglandins is the best answer because it directly fits the mechanism or morphology described.
Option by option
A. Insulin
Insulin is plausible but is not the best fit here.
B. Prostaglandins (correct)
Correct. Prostaglandins is supported by the defining finding.
C. Albumin
Albumin does not match the key mechanism or pattern.
D. Erythropoietin
Erythropoietin is not supported by the stated finding.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.