Hair & Fiber Analysis 2

What is the first and most important step in the examination of fibers?

• synthesizing long-chained molecules into a polymer
• analyzing the individual characteristics of the material
• a microscopic comparison of color and diameter using a comparison microscope
• determination of whether the fiber is natural or man-made
• I don't know yet.

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Obj. 12.2

The _______ is important for the individualization of hair.

• cuticle
• follicular tag
• medulla
• cortex
• I don't know yet.

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Obj. 12.2

Which of the following is NOT a manufactured fiber grouping?

• mohair
• rayon
• polyester
• spandex
• I don't know yet.

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Obj. 12.4

Which of the following properties of fibers is most crucial for forensic comparisons?

• Length and texture
• Chemical composition
• Elasticity and strength
• Color and diameter
• I don't know yet.

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Obj. 12.5

Why is it essential to use clean and sterile tools when collecting fiber evidence?

• To prevent contamination of the evidence.
• To make the evidence easier to handle.
• To increase the quantity of collected fibers.
• To save time during evidence collection.
• I don't know yet.

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Obj. 12.6

If hair found at a crime scene is not firmly attached to clothing, the first step to collecting it is to _____.

• package it with the clothing

• dry it and the clothing

• photograph it in situ

• remove it with forceps