Chapter 3 Part 1

A hair consists of two parts: a follicle and a shaft.

• true

• false

Bits of pigment found in the cortex of a hair is called melanin granules.

• true

• false

The hair shaft is made up of three layers: an outer medulla, a cortex, and an inner cuticle.

• true

• false

The cuticle is a transparent inner layer of the hair shaft

• true

• false

In humans, the cortex is the largest part of the hair shaft.

• true

• false

The region of a hair located outside of the medulla containing granules of pigment is called:

• cuticle

• cortex

• none of these

• hair follicle

A type of protein made up of a chain of amino acids that makes hair both strong and flexible is:

• protein

• cuticle

• keratin

• none of these

Hair is considered:

• secondary evidence

• individual evidence

• class evidence

• tertiary evidence

Hair can adhere to clothes, carpets and many other surfaces and be transferred to other locations.  This is called:

• redundant transfer

• secondary transfer

• primary transfer

• tertiary transfer

Investigators recognized the importance of analysis of hair as:

• secondary evidence in criminal investigations in the late 1880s

• trace evidence in criminal investigations in the late 1800s.

• direct evidence in criminal investigations in the late 1880s.

• primary evidence in criminal investigations in the late 1880s.