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Dentistry · Oral medicine
Sample itemWhich clinical feature is most concerning in a white oral mucosal lesion?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
D. A non-scrapable persistent patch in a tobacco user
A persistent non-scrapable white patch, especially in a tobacco user, may represent leukoplakia or dysplasia and requires careful assessment.
Option by option
A. A symmetrical normal linea alba
Linea alba is commonly a benign frictional finding.
B. A transient blanching after spicy food
Transient irritation is less concerning than persistence.
C. A coating that wipes away after tongue cleaning
Wipeable coating is often debris or candidal pseudomembrane.
D. A non-scrapable persistent patch in a tobacco user (correct)
Correct: persistent non-scrapable leukoplakia warrants evaluation.
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.