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Hair

Total questions: 118

Worksheet time: 2hrs 58mins

Name
Class
Date
1.

This is what type of hair?

a)

deer

b)

muskrat

c)

human

d)

cat

2.

This is what type of hair?

a)

deer

b)

dog

c)

rabbit

d)

wolly mammoth

3.

Which type of hair is this?

a)

rabbit

b)

human

c)

deer

d)

dog

4.

Which type of hair is this?

a)

cat

b)

dog

c)

mink

d)

rabbit

5.

Which type of hiar is this?

a)

mink

b)

muskrat

c)

cat

d)

seal

6.

Which type of hair is this?

a)

seal

b)

deer

c)

rabbit

d)

dog

7.

Which type of hair is this?

a)

cat

b)

human

c)

sheep/lamb

d)

wolly mammoth

8.

Which type of hair is this?

a)

human

b)

horse

c)

cat

d)

wolly mammoth

9.

What type of hair is this?

a)

wolly mammoth

b)

human

c)

cat

d)

deer

10.

What type of hair is this?

a)

deer

b)

human

c)

dog

d)

mouse

11.

What type of hair is this?

a)

horse

b)

human

c)

wolly mammoth

d)

rabbit

12.

What type of hair is this?

a)

muskrat

b)

deer

c)

mink

d)

human

13.
The central core of the hair is called the...?
a)
Medulla
b)
Cuticle
c)
Cortex
d)
Shaft
14.
The hair follicle is dormant and hairs are easily lost during which stage of the hair life cycle?
a)
Anagen
b)
Telogen
c)
Catagen
d)
Metagen
15.
In order to determine if a hair is from an animal or human, one should divide the diameter of the...
a)
medulla by the entire hair
b)
medulla by the cortex
c)
cortex by the medulla
d)
cortex by the entire hair
16.
Hair is helpful in solving old crimes because…
a)
hair on a suspect never changes
b)
hair always contains DNA evidence
c)
hair takes little room to store in evidence closets
d)
hair does not easily decompose
17.
The tough clear outside covering of a hair shaft is
a)
cuticle
b)
cortex
c)
medulla
d)
polymer
18.
The middle layer of a hair shaft that contains pigment
a)
the cortex
b)
the medulla
c)
the cuticle
d)
the polymer
19.
What type of evidence is hair without the follicular tag considered?
a)
Individual
b)
Class
20.
Hair always contains DNA
a)
true
b)
false
21.
Type of cuticle
a)
coronal
b)
spinous
c)
imbricate
d)
solid
22.
Human or nonhuman hair?
a)
human 
b)
nonhuman
23.
Diameter of the medulla is 0.2 and diameter of the hair is 0.4.  What is the medullary index?
a)
2.5
b)
0.5
c)
0.1
d)
cannot be determined
24.
What must be present in a hair sample to obtain nuclear DNA?
a)
keratin
b)
drop of blood 
c)
healthy cuticle
d)
follicular tag
25.
Hair is this type of evidence
a)
circumstantial
b)
trace
c)
class
d)
all of these
26.

What is Loccard's Exchange Principle?

a)

Perpetrators always leave evidence behind.

b)

Every contact leaves a trace.

c)

All touches leave evidence.

d)

Long, violent confrontations leave evidence.

27.

What cuticle type is in the picture?

a)

Coronal

b)

Imbricate

c)

Spinous

28.

How can you tell the difference between animal and human hair?

a)

Human is imbricate and animal is always spinous.

b)

Human medullary index is less than animal.

c)

Human hair is thinner than animal hair

d)

Animal hair has a thicker cortex than human.

29.
The cortex of hair derives its major forensic importance from the fact that it contains what?
a)
Scales
b)
Pigments
c)
Medullae
d)
DNA
30.

If a hair were a pencil, which structure corresponds to the paint on the surface?

a)
Follicle
b)
Cortex
c)
Cuticle
d)
Medulla
31.

If a hair were a pencil, which structure corresponds to the wood?

a)
Follicle
b)
Cortex
c)
Cuticle
d)
Medulla
32.

If a hair were a pencil, which structure corresponds to the lead?

a)
Follicle
b)
Cortex
c)
Cuticle
d)
Medulla
33.
Type of cuticle:
a)
imbricate
b)
spinous
c)
coronal
d)
continuous
34.
The central core of the hair is called the...?
a)
Medulla
b)
Cuticle
c)
Cortex
d)
Shaft
35.
The hair follicle is dormant and hairs are easily lost during which stage of the hair life cycle?
a)
Anagen
b)
Telogen
c)
Catagen
d)
Metagen
36.
In order to determine if a hair is from an animal or human, one should divide the diameter of the...
a)
medulla by the entire hair
b)
medulla by the cortex
c)
cortex by the medulla
d)
cortex by the entire hair
37.
Hair is helpful in solving old crimes because…
a)
hair on a suspect never changes
b)
hair always contains DNA evidence
c)
hair takes little room to store in evidence closets
d)
hair does not easily decompose
38.
The tough clear outside covering of a hair shaft is
a)
cuticle
b)
cortex
c)
medulla
d)
polymer
39.
The middle layer of a hair shaft that contains pigment
a)
the cortex
b)
the medulla
c)
the cuticle
d)
the polymer
40.
What type of evidence is hair without the follicular tag considered?
a)
Individual
b)
Class
41.
Hair always contains DNA
a)
true
b)
false
42.
Type of cuticle
a)
coronal
b)
spinous
c)
imbricate
d)
fragmented
43.
Type of cuticle
a)
coronal
b)
spinous
c)
imbricate
d)
solid
44.
Identify the feature on hair that was used as evidence in the Casey Anthony case:
a)
fragmented medulla
b)
post mortem root banding
c)
air bubbles in the cortex
d)
medullary index of 0.5
45.
When evidence can only be associated with a group and never with a single source, that evidence is said to possess:
a)
Class categories
b)
Class characteristics
c)
Group categories
d)
Group characteristics
46.
Which scale pattern identifies human hair?
a)
Imbricate
b)
Coronal
c)
Spinous
d)
None of these
47.
The most important structure for the individualization of hair (identity).
a)
Medulla
b)
Cuticle
c)
Cortex
d)
Follicle
48.
Using the pencil analogy, which structure corresponds to the paint on the surface?
a)
Follicle
b)
Cortex
c)
Cuticle
d)
Medulla
49.
Using the pencil analogy, which structure corresponds to the wood?
a)
Follicle
b)
Cortex
c)
Cuticle
d)
Medulla
50.
Using the pencil analogy, which structure corresponds to the lead?
a)
Follicle
b)
Cortex
c)
Cuticle
d)
Medulla
51.
Which scale pattern is indicated?
a)
Coronal
b)
Spinous
c)
Imbricate
d)
None of these
52.
Which scale pattern is indicated?
a)
Coronal
b)
Spinous
c)
Imbricate
d)
None of these
53.
The transitional or regressive stage that lasts a few weeks during which hair growth slows is called...?
a)
Anagen
b)
Telogen
c)
Catagen
d)
Metagen
54.
The hair follicle is dormant and hairs are easily lost during which stage of the hair life cycle?
a)
Anagen
b)
Telogen
c)
Catagen
d)
Metagen
55.
We know hair is from a human if…
a)
The medullary index is 0.5 or greater           
b)
The medullary index is 0.33 or less
c)
The cuticle is coronal
d)
The medulla is fragmented
56.
The hair shaft is composed of what important protein?
a)
Cellulose 
b)
Chitin
c)
Peptidoglycan
d)
Keratin
57.
The following medulla pattern is called
a)
fragmented 
b)
continuous
c)
interrupted
58.
cortex
a)
the region of hair located outside of the medulla containing granules of pigments
b)
material that connects an indivisual or thing to a certain group
c)
a type of fibrous protein that makes up the majority of the cortex of a hair
d)
the tough outer covering of a hair composed of overlapping scales
59.
cuticle
a)
the tough outer covering of a hair composed of overlapping scales
b)
material that connects an indivisual or thing to a certain group
c)
a type of fibrous protein that makes up the majority of the cortex of a hair
d)
the centrel core of a hair fiber
60.
trace evidence
a)
small but measurable amounts of physical or biological material found at crime scene
b)
the tough outer covering of a hair composed of overlapping scales
c)
the centrel core of a hair fiber
d)
the actively growing root or base of hair containing DNA and living cells
61.
The oldest part of the hair is the:
a)
Middle
b)
Tip
c)
Root
d)
Shaft
62.
What kind of medulla is this?
a)
Fragmented
b)
Continuous
c)
Interrupted/Intermittent
d)
There is no medulla - Absent
63.
hair always contains DNA
a)
true
b)
false
64.

crown-like scales pattern which are commonly found in hairs of small rodents and dogs.

a)

Coronal Pattern

b)

Spinous Pattern

c)

Imbricate Pattern

65.
Using the pencil analogy, which structure corresponds to the paint on the surface?
a)
Follicle
b)
Cortex
c)
Cuticle
d)
Medulla
66.
Using the pencil analogy, which structure corresponds to the wood?
a)
Follicle
b)
Cortex
c)
Cuticle
d)
Medulla
67.
Using the pencil analogy, which structure corresponds to the lead?
a)
Follicle
b)
Cortex
c)
Cuticle
d)
Medulla
68.
The following medulla pattern is called
a)
fragmented 
b)
continuous
c)
interrupted
69.
trace evidence
a)
small but measurable amounts of physical or biological material found at crime scene
b)
the tough outer covering of a hair composed of overlapping scales
c)
the centrel core of a hair fiber
d)
the actively growing root or base of hair containing DNA and living cells
70.
What kind of medulla is this?
a)
Fragmented
b)
Continuous
c)
Interrupted/Intermittent
d)
There is no medulla - Absent
71.
What kind of medulla is this?
a)
Fragmented
b)
Continuous
c)
Interrupted/Intermittent
d)
There is no medulla - Absent
72.
What kind of medulla is this?
a)
Fragmented
b)
Continuous
c)
Interrupted/Intermittent
d)
There is no medulla - Absent
73.

How would you describe this cuticle?

a)

Absent

b)

light brown

c)

thin and dark

d)

continuous

74.
hair always contains DNA
a)
true
b)
false
75.
Human or nonhuman hair?
a)
human 
b)
nonhuman
76.

The picture shows a __________ hair.

a)

human

b)

animal

77.

What kind of hair is this?

a)

Human

b)

Animal

78.
A microscopic examination can reveal whether a hair is from a scalp or a beard.
a)
true
b)
false
79.

Which part(s) of a hair can be analyzed for DNA?

a)

root

b)

cuticle

c)

medulla

d)

cortex

80.

Which medulla pattern?

a)

Continuous

b)

Fragemented/Interrupted

c)

Absent

81.

Is this hair animal or Human?

a)

Animal

b)

Human

82.

Is this hair animal or Human?

a)

Animal

b)

Human

83.
hair follicle
a)
the actively growing root or base of hair containing DNA and living cells
b)
material that connects an indivisual or thing to a certain group
c)
a type of fibrous protein that makes up the majority of the cortex of a hair
d)
the tough outer covering of a hair composed of overlapping scales
84.

DNA is never present on hair

a)

False

b)

True

85.

Is it possible to determine what body part hair evidence came from?

a)

yes

b)

no

86.

Can race origin be determined by hair?

a)

Yes

b)

no

87.
The hair shaft is composed of what important protein?
a)
Cellulose 
b)
Chitin
c)
Peptidoglycan
d)
Keratin
88.

The region of a hair located outside of the medulla containing granules of pigment. (wood part of pencil in our example)

a)

Cuticle

b)

Medulla

c)

Cortex

89.

The tough outer covering of a hair composed of overlapping scales. (outer part of pencil in our example)

a)

Cortex

b)

Cuticle

c)

Medulla

90.

The hair follicle is dormant (not growing hair anymore) and hairs are easily lost during which stage of the hair life cycle?

a)

Anagen

b)

Telogen

c)

Catagen

d)

Metagen

91.
The following medulla pattern is called
a)
fragmented 
b)
continuous
c)
interrupted
92.

The picture shows a __________ hair.

a)

human

b)

animal

93.
Fibers are classified as either:
a)
natural fibers or synthetic fibers.
b)
polymers or synthetic fibers.
c)
acrylic fibers or plant fibers.
d)
olefins or synthetic fibers
94.
Did this hair fall out naturally, or was it forcibly removed?
a)
Fell out naturally
b)
Was forcibly removed
95.

What kind of hair is this?

a)

Human

b)

Animal

96.

Natural fibers come from:

a)

animals.

b)

plants.

c)

minerals.

d)

All of these choices.

97.

Which of the following statements is not true about fiber evidence?

a)

To determine what it is you can burn it

b)

Looking under a microscope you can tell natural from synthetic

c)

Different weave patterns exist because different fabric has different purposes

d)

Fibers are considered individual evidence

98.

Hair is what type of evidence?

a)

Class

b)

Individual

c)

unknown

d)

all of the above

99.

DNA is never present on hair

a)

False

b)

True

100.

Is it possible to determine what body part hair evidence came from?

a)

yes

b)

no

101.

Can race origin be determined by hair?

a)

Yes

b)

no

102.

Can we tell if a hair was forcibly removed?

a)

Yes

b)

no

103.

How many approximate hair follicles on a human head are there?

a)

100,000

b)

1 million

c)

60,000

d)

1000

104.

Is it possible to determine the species of hair evidence without DNA?

a)

Yes

b)

no

105.

The two main categories of human hair are:

a)

Terminal and vellus

b)

terminus and vascular

c)

terminal and fetal

d)

head and body

106.

What are the tree stages of hair growth in order from start to end?

a)

Anagen, telogen, and catagen

b)

anagen, catagen, and telogen

c)

telogen, catagen, and anagen

d)

catagen, telogen, and anagen

107.

Humans lose approximately how many hair per day?

a)

100

b)

1000

c)

50

d)

5

108.

Which number in the diagram represents the cuticle?

a)

A

b)

D

c)

B

d)

F

109.

Which number in the diagram represents the medulla?

a)

C

b)

A

c)

B

d)

D

110.

Which number in the diagram represents the cortex?

a)

B

b)

A

c)

C

d)

D

111.

What medullary pattern is represented in the diagram?

a)

Fragmented

b)

interupted

c)

continuous

d)

not visible

112.

The growth cycle of human hair ranges from?

a)

2 to 6 years

b)

1 to 2 years

c)

3 to 6 months

d)

20 years

113.

What type of medulla pattern is shown here?

a)

continuous

b)

fragmented

c)

stacked

d)

interupted

114.

What type of medulla pattern is shown here?

a)

interrupted

b)

fragmented

c)

stacked

d)

not visible

115.

What are the three cuticle patterns?

a)

Coronal, spinous, imbricate

b)

flowery, circular, triangular

c)

square, round, diamond

116.

When processing hair found at a crime scene, we must determine if the origin is:

a)

human or animal

b)

human or reptile

c)

reptile or mammal

d)

human or alien

117.

Which phase of hair grown cycle does the hair fall out naturally?

a)

Telogen

b)

anagen

c)

catagen

d)

none of the above

118.

What types of DNA can be found on the hair?

a)

Mitochondrial

b)

nuclear

c)

Both mitochondrial and nuclear

d)

none

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