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Forensic Medicine · Mechanical injury
Sample itemWhat does an abrasion collar around a firearm entry wound support?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
A. Bullet entry site
The defining Mechanical injury principle supports Bullet entry site; it directly accounts for the forensic observation, evidence requirement, or public-health measure in the question.
Option by option
A. Bullet entry site (correct)
Correct. Bullet entry site best fits the important clue in this sample.
B. Bullet exit site
Bullet exit site does not establish the requested mechanical injury conclusion.
C. Burn injury
Burn injury is not consistent with the finding or appropriate action described.
D. Incised wound
Incised wound may be useful elsewhere but is not the best answer here.
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.