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Impressions, Hair & Fiber Evidence HW

Total questions: 18

Worksheet time: 23mins

Name
Class
Date
1.

The bottom portion of hair in which nuclear DNA can be found.

a)

Medulla

b)

Root

c)

Cuticle

d)

Cortex

2.

The smallest unit of a textile is called a ...

a)

Wool

b)

Hair

c)

Cotton

d)

Fiber

3.

The type of Impression Evidence usually collected from the ROAD or STREET.

a)

Shoe Impressions

b)

Tire Track Impressions

c)

Bite Marks

d)

Tool Mark Impressions

4.

This type of evidence is created when one object is pressed against another material with force.

a)

Impression Evidence

b)

Testimonial Evidence

c)

DNA Evidence

d)

Fiber Evidence

5.

What 3-D method of collecting Impression evidence uses a dental stone or mixture to preserve the dimensional characteristics of the print?

a)

Photography

b)

Inking

c)

Dusting

d)

Casting

6.

The instrument used to analyze Hair & Fiber Evidence...

a)

Microscope

b)

Telescope

c)

Magnifying Lens

d)

Tape

7.
The central core of the hair is called the...?
a)
Medulla
b)
Cuticle
c)
Cortex
d)
Shaft
8.
The following medulla pattern is called
a)
fragmented 
b)
continuous
c)
interrupted
9.

Which structure of hair is a clear, outer covering made of tough, overlapping scales?

a)

medulla

b)

cuticle

c)

cortex

d)

pigment granules

10.
Hair is composed mostly of the protein
a)
lignin
b)
collagen
c)
keratin
d)
cellulose
11.
You can get DNA from a piece of hair that does not have the root attached.
a)
True
b)
False
12.
hair always contains DNA
a)
true
b)
false
13.

What are the three layers of hair?

a)

Medulla, keratin, cortex

b)

Cuticle, medulla, keratin

c)

Keratin, cuticle, cortex

d)

Medulla, Cortex, and Cuticle

14.

A fiber produced naturally and harvested from an animal, plant or mineral.

a)

Fiber

b)

Synthetic Fiber

c)

Natural Fiber

15.

A fiber made from a man-made substance such as plastic.

a)

Natural Fiber

b)

Synthetic Fiber

c)

Monomer

16.
Number 1 is pointing to what structure of the hair?
a)
Cortex
b)
Medulla
c)
Cuticle
d)
None of These
17.
Number 2 is pointing to what structure of the hair?
a)
Cortex
b)
Medulla
c)
Cuticle
d)
None of These
18.
Number 3 is pointing to what structure of the hair?
a)
Cortex
b)
Medulla
c)
Cuticle
d)
None of These