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Dermatology · Skin cancer
Sample itemWhat is a common predisposing exposure for cutaneous squamous cell carcinoma?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
C. Chronic ultraviolet exposure
The relevant Skin cancer principle supports Chronic ultraviolet exposure; it is the option that best explains the mechanism, physical finding, investigation, or safe management priority in the question.
Option by option
A. Interdental cleaning
Interdental cleaning is not supported by the clinical description or management aim.
B. Adequate sunscreen
Adequate sunscreen may apply to a different condition but is not the best response here.
C. Chronic ultraviolet exposure (correct)
Correct. Chronic ultraviolet exposure directly addresses the essential clue in this sample.
D. Handwashing
Handwashing does not correspond to the stated skin cancer 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.