WorksheetsHair Quiz (Brosky,Maddie)
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
Exemplar describes the... origin of the hair sample.
a)
known
b)
unknown
2.
...makes hair a useful forensic tool.
a)
Resistance to chemical decomposition
b)
retain structural features
c)
Resistance
d)
all of the above
3.
The... is the inside layer running down the center of the cortex and it looks like a q-tip.
a)
medulla
b)
cortex
c)
keratin
4.
...strands of hair fall out each and every day.
a)
1000
b)
100
c)
10
d)
10000
5.
Hair is considered ... evidence.
a)
individual
b)
forensic
c)
class
d)
all the above
6.
Pigment granules are found in the...
a)
hair
b)
cuticle
c)
medulla
d)
cortex
7.
Main difference between human and animal hair is the ....which is a lot more thicker in animals than in human hair.
a)
medulla
b)
cortex
c)
cuticle
d)
all the above
8.
The antigen phase is a period of growth in the hair cycle that takes about three to five years.
a)
true
b)
false
9.
The antigens phase consists of about .... hair follicles.
a)
10
b)
1000
c)
100
d)
10000
10.
The telogen phase is the final phase and hair growth resulting in the loss of hair over about 3 months.
a)
true
b)
false
11.
The ... is the Outside covering made of overlapping scales the cuticle looks like a snake or reptile skin.
a)
cortex
b)
medulla
c)
cuticle
12.
The MI for animal hair is more than 32?
a)
true
b)
false
13.
Morphology of the hair means that hair is continuously shed and renewed at a rate of about 24 hour from the scalp alone .
a)
true
b)
false
14.
A large molecule macromolecule composed of many repeated subunits.
a)
morphology
b)
polymer
c)
cuticle
d)
Medulla Index
15.
Holds that the perpetrator of a crime will bring something into the crime scene and leave with something from it and that both can be used as forensic evidence .
a)
Locard Exchange Principle
b)
Pigment granules
16.
pigment found in skin and cortex
a)
melanin
b)
keratin
c)
polymer
d)
undulation
17.
test positive when it shouldnt
a)
false positive
b)
a problem
18.
Questioned describes the .... origin of a sample.
a)
unknown
b)
known
19.
link between unknown and known samples
a)
group
b)
combination
c)
association
d)
all the above
20.
beginning period of growth
a)
telogen phase
b)
catagen phase
c)
anagen phase
100 %
