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Forensic Medicine · Mechanical injury
Sample itemAn abrasion is best defined as what?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
B. Superficial loss of epidermis
This Mechanical injury item is resolved by the defining principle: Superficial loss of epidermis best matches the stated finding or public-health measure.
Option by option
A. Bruise from blunt impact
Bruise from blunt impact may be relevant elsewhere, but it conflicts with the central fact given here.
B. Superficial loss of epidermis (correct)
Correct. Superficial loss of epidermis directly addresses the key clue in this scenario.
C. Bone fracture without skin injury
Bone fracture without skin injury does not explain the finding or provide the indicated intervention.
D. Deep cut by a sharp edge
Deep cut by a sharp edge is not the best fit because it does not establish the requested mechanical injury conclusion.
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.