Hair and Fiber Analysis | Baamboozle - Baamboozle

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Study Slideshow

Which one is not a layer of the hair shaft?

cortex

cuticle

medulla

follicle

15

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

shaft lenghth

scale pattern

bulb size

follicle shape

15

A cast of a hair surface can be made by using...

wax

paint

clear nail polish

iodine

15

Pigment granules that impart hair with color are found in the...

medulla

cortex

cuticle

15

The central canal running through many hairs is known as the...

cortex

root

shaft

medulla

15

The medullary index of human hair is ______the medullary index for most other animals.

Less than

The same as

Equal to

Greater than

15

Medullae may be classified as being..

fragmented

interrupted or absent

continuous

all of the above

15

If hair does not have DNA, an expert witness is on best scientific footing when stating that...

the hair in question comes from a 21-year old

the given hair comes from a specific person

a suspect hair comes from a particular animal species

his examination reveals that the hair is that of a male

15

Determining whether a hair sample originated from male or female, the MOST important factor is:

whether the hair was dyed

whether the hair is bleached

the results of DNA analysis performed on the root structure

the length of the hair

15

The most prevalent natural plant fiber is...

linen

silk

cotton

hemp

15

A fiber's microscopic appearance being ribbon-like in shape with twists at irregular intervals:

acrylic

cotton

polyester

nylon

15

Which is NOT a synthetic fiber

Polyester

Rayon

All of them are synthetic

Acrylic

15

In the collection of fiber evidence, great care should be taken to..

package all items together

avoid cross-contamination of evidence

shake off all garments to be sent for examination

vacuum each item

15

The rate of human hair growth per month is

1 inch

2 inches

1 cm

1 ml

15

Before the 20th century, all fibers were

derived

natural

synthtic

chemically treated

15

The portion of the hair containing its scales is best characterized by

the cortex

the root

the follicle

the cuticle

15