Chapter 12 Hair & Fibers Study Game

Which of the following is NOT a layer of the hair shaft?

• cuticle
• follicle
• cortex
• medulla

Which feature of hair is MOST important in making a species identification?

• scale pattern
• follicle shape
• color
• shaft length

Microscopic hair comparisons must be regarded by police and courts as:

• presumptive.
• individualizing.
• classifying.
• conclusive.

Beard hairs are coarse and normally _____ in cross-section.

• triangular

• ribbon-like

• square

• oval

Before the 20th century, all fibers were:

• regenerated.
• synthetic.
• derived.
• natural.

Mohair and cashmere are hairs from:

• a goat.
• a llama.
• a sheep.
• a rabbit.

It is a virtual certainty that two fabrics share a common origin if their fibers:

• have the same color.
• can be fitted together at their torn edges.
• are of the same fiber type (e.g., rayon, nylon, polyester).
• have the same striations.

Synthetic fibers display _____ because they are crystalline.

• dispersive properties

• infrared reflectance

• flotation

• birefringence

During the collection of fiber evidence, great care should be taken to:

• avoid cross-contamination of evidence.
• package all items from each individual together in one bag to avoid later confusion.
• shake off all garments to be sent for examination before neatly folding them.
• vacuum each item for trace evidence.

Nuclear DNA typing can be most successfully accomplished on hairs that have been removed during which stage of growth?

• anxiogenic
• catagenic
• mutagenic
• anagenic
• telogenic