1.
The scientific study of hair and its diseases and are is called?
A. 
B. 
C. 
D. 
2.
Is the part of the hair located below the surface of the epidermis is called?
A. 
B. 
C. 
D. 
3.
Is the tube-like depression or pocket in the skin or scalp that contains the hair root is called?
A. 
B. 
C. 
D. 
4.
Is the portion of the hair that projects above the epidermis is called?
A. 
B. 
C. 
D. 
5.
Is the lowest part of a hair strand is called?
A. 
B. 
C. 
D. 
6.
Is the small, cone-shaped elevation located at the base of the hair follicle that fits into the hair bulb is called what?
A. 
B. 
C. 
D. 
7.
Is the small, involuntary muscle in the base of the hair follicle is called what?
A. 
B. 
C. 
D. 
8.
Are the oil glands in the skin that are connected to the hair follicles are called?
A. 
B. 
C. 
D. 
9.
Is the outermost layer of the hair is called what?
A. 
B. 
C. 
D. 
10.
Is the middle layer of the hair is called?
A. 
B. 
C. 
D. 
11.
Is the innermost layer of the hair and is composed of round cells is called?
A. 
B. 
C. 
D. 
12.
Process by which newly formed cells in the hair bulb mature, move upward, lose their nucleus, and die is called what?
A. 
B. 
C. 
D. 
13.
Hair is approximately ______ percent protein.
A. 
B. 
C. 
D. 
14.
The major elements that make up human hair are carbon, oxygen, hydrogen and what?
A. 
B. 
C. 
D. 
Nitrogen and carbon dixoide
15.
The major elements that make up human hair are carbon, oxygen, hydrogen, nitrogen, and sulfur and are often referred as what?
A. 
B. 
C. 
D. 
16.
Units that are joined together end to end like pop beads are what?
A. 
B. 
C. 
D. 
17.
Also known as ends bonds, chemical bond that joins amino acids is what?
A. 
B. 
C. 
D. 
18.
A long chain of amino acid linked by peptide bonds are called?
A. 
B. 
C. 
D. 
19.
Are long, coiled complex polypeptides made of amino acids
A. 
B. 
C. 
D. 
20.
The spiral shape of a coiled protein is called?
A. 
B. 
C. 
D. 
21.
Bonds that cross-link the polypeptide chains together and are responsible for the extreme strength and elasticity of human hair is called what?
A. 
B. 
C. 
D. 
22.
Is a weak, physical, cross-link side bond that is easily broken by water or heat Is called what?
A. 
B. 
C. 
D. 
23.
Is also a weak, physical, cross-link side bond between adjacent polypeptide chains
A. 
B. 
C. 
D. 
24.
Is a strong, chemical, side bond that is very different from the physical side bond of a hydrogen bond or salt bond is what?
A. 
B. 
C. 
D. 
25.
An amino acid joined with another cysteine amino acid to create cysteine amino acid is called what?
A. 
B. 
C. 
D.