WorksheetsUnit 7 Review Quizizz
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
U7 Keratin is the
a)
Protein that makes up most of the hairshaft
b)
Pigment that gives hair its color
c)
Central cell of the cortex, not always present in every hair
d)
The main body
2.
U7 Which of these is an example of medulla variations?
a)
Continuous
b)
Interuptted
c)
Fragmented
d)
All of the above
3.
U7 What type of scale in this hair?
a)
Imbricate
b)
Coronal
c)
Spinous
d)
Isodiametric
4.
U7: What type of medulla has no breaks?
a)
Straight
b)
Continuous
c)
interrupted
d)
disturbed
5.
U7: Which of the following is the resting growth stage?
a)
Anagenroot
b)
Catagenroot
c)
Secondaryroot
d)
Telogenroot
6.
U7: You can identify all the following by looking at hair except:
a)
Gender
b)
Race
c)
Species
d)
Both a and b
7.
U7: Which is found in animal hair?
a)
The medulla is thin with 1/3 hair shaft diameter
b)
The pigment can have abrupt color changes
c)
The scale structure has overlapping imbricate scales
8.
The main body of hair?
a)
Medulla
b)
Cortex
c)
Cuticle
d)
Shaft
9.
Cellular column that runs through center of the hair?
a)
Cuticle
b)
Root
c)
Cortex
d)
Medulla
10.
All humans have a medulla?
a)
True
b)
False
11.
Unit 7: The outer layer of hair is known as what?
a)
medulla
b)
follicular tag
c)
cortex
d)
cuticle
12.
U7: What provides the color of the hair?
a)
Melanin
b)
Keratin
c)
Paris
d)
Food coloring
13.
U7: Which is not a type of medulla?
a)
Continuous
b)
Fragmented
c)
Spiral
d)
Interupted
14.
U7: Which race origin would have oval shaped cross-section?
a)
Caucasoid
b)
Mongoloid
c)
Negroid
d)
Europoid
15.
Which letter is pointing at the cuticle?
a)
A
b)
B
c)
C
d)
None of these
16.
Which letter is pointing to the region that contains melanin?
a)
A
b)
B
c)
C
d)
None of these
17.
Which letter is pointing to the region that contains DNA?
a)
A
b)
B
c)
C
d)
None of these
18.
Which letter is pointing to the region that contains DNA?
a)
A
b)
B
c)
C
d)
None of these
19.
T/F: DNA can never be recovered from hair evidence?
a)
True
b)
False
20.
The part of the hair that could potentially contain DNA is referred to as the _________?
a)
Follicle
b)
Cuticle
c)
Follicle Tag
d)
Cuticle Tag
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