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Dentistry · Oral medicine
Sample itemWhat common exposure increases oral cancer risk?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
D. Tobacco use
The central Oral medicine principle supports Tobacco use; it is the answer that most directly explains the image finding, modality choice, or oral-health feature described.
Option by option
A. Fluoride toothpaste
Fluoride toothpaste does not fit the stated oral medicine context.
B. Interdental cleaning
Interdental cleaning may be used elsewhere but is not the strongest answer here.
C. Water intake
Water intake is not supported by the imaging or dental clue provided.
D. Tobacco use (correct)
Correct. Tobacco use best matches the key information in this scenario.
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.