05.14 Unit FIVE Quiz (Forensic Science I) – Flashcards
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It is not essential to collect the clothing of a shooting victim since it is unlikely to have any evidence present.
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False
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When a tool mark is found, what is done first?
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Taking a photograph of the mark
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A tool suspected of being used at a crime scene should be tried out in a tool mark to see if it fits.
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False
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What is used to make a cast of a tool mark?
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Silicone rubber
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Bullets have only class characteristics, not individual characteristics.
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False
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Which of the following is generally a good way to pick up a firearm to preserve evidence?
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By the trigger guard
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The first step in collecting a firearm from a crime scene is what?
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Ensuring safety
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The diameter of the gun barrel is known as the caliber.
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True
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When a bullet is fired, gunpowder only travels back toward the shooter.
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False
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What can be used to recover serial numbers?
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An etching reagent
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Even when bullets of the same ammunition are fired from the same gun, the bullets are generally not a one hundred percent match for each other.
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True
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The barrel of a gun is also known as what?
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Bore
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If a gun is fired from 1 inch or less from the target, the lead pattern will be in which shape?
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A circle
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If a gun is found in water, what should investigators do to transport it to the lab?
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Keep the gun in some of the same water
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To transport a bullet to the crime scene, it should be wrapped in what?
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Tissue paper
