FLETC UPTP Exam 4 Complete Practice Test 2025

Question: 1 / 400

How long can biological evidence be placed in a non-porous container?

No more than 1 hour

No more than 2 hours

Biological evidence is crucial for forensic analysis, and its preservation is vital in maintaining its integrity for investigation. When biological evidence is placed in a non-porous container, such as plastic or glass, it can sweat or experience condensation, which may lead to degradation or contamination of the evidence.

The correct duration for placing biological evidence in a non-porous container is critical for ensuring that it remains viable for testing and analysis. Two hours is generally considered an optimal timeframe. This duration allows for short-term handling while minimizing the risk of any potential alterations to the sample. After this period, the risk of degradation increases considerably due to environmental factors, such as temperature and humidity.

Understanding the importance of the time limit helps reinforce the protocols investigators must follow to ensure the ongoing reliability and fidelity of biological evidence collected at a crime scene.

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No more than 3 hours

No more than 4 hours

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