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Dermatology · Urticaria
Sample itemWhat is the primary skin lesion of urticaria?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
B. Transient wheal
Urticaria causes transient edematous wheals that usually migrate and resolve within hours as histamine increases superficial dermal vascular permeability.
Option by option
A. Fixed ulcer
Fixed ulceration is not typical of simple urticaria.
B. Transient wheal (correct)
Correct: wheals are transient raised edematous urticarial lesions.
C. Deep nodule
Deep nodules are solid lesions rather than transient wheals.
D. Comedone
Comedones are plugged follicles in acne.
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.