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Forensic Medicine · Sexual offences
Sample itemWhy are forensic swabs dried before packaging?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
B. Reduce degradation and microbial growth
Drying biological swabs before appropriate packaging reduces moisture-related degradation and microbial growth, helping preserve material for later laboratory analysis.
Option by option
A. Replace examination
Drying does not replace a careful forensic examination.
B. Reduce degradation and microbial growth (correct)
Correct: drying helps preserve biological evidence.
C. Determine identity alone
Identity requires testing and context, not drying alone.
D. Increase blood pressure
Swab drying has no effect on blood pressure.
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.
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