WorksheetsProperties of the Hair and Scalp
Total questions: 19
Worksheet time: 10mins
All of the following are living portions of hair that are below the skin surface EXCEPT ______
the hair bulb
the arrector pili muscle
the hair follicle
the dermal papilla
Each of the following is a layer of the hair shaft structure EXCEPT ______
the cortex
the hair fiber
the hair cuticle
the medulla
Which portion of the hair root structure supplies nutrients so the hair can grow?
the hair bulb
the dermal papilla
the arrector pili
the hair follicle
Which sentence best describes the medulla?
The medulla is the hair's outermost layer.
The medulla is a cone-shaped elevation at the base of the hair bulb.
The medulla is the hair's pith or core.
The medulla is the fibrous protein layer of the hair.
Which layer of the hair shaft provides strength, elasicity, and color?
the hair cuticle
the hair fiber
the medulla
the cortex
What are the major chemical elements that make up human hair?
carbon, oxygen, hydrogen, nitrogen, and sulfur
proteins, water, lipids, and traces of minerals
amino acids and polypeptide chains
hydrogen bonds, side bonds, and salt bonds
Which of the following is a situation in which a cosmetologist would allow the hair to cool before styling?
when salt bonds are being formed by changes in pH during chemical servicing
when hydrogen side bonds have been broken by the heat of a curling iron
when peptide bonds between amino acids are broken by a heat lamp during color processing
when disulfide bonds are converted to lanthionine bonds during servicing with a flat iron
What is the outermost layer of hair?
hair follicle
hair medulla
hair cuticle
hair cortex
If a cosmetologist holds a strand of hair with one hand while sliding the other hand's thumb and forefinger from the end of the strand to the client's scalp, what component of the hair is being analyzed?
porosity
elasticity
density
texture
Which component of hair is defined as the thickness or diameter of an individual hair strand?
porosity
elasticity
texture
density
Which of the following can be a cause of dry hair and dry scalp?
overactive sebaceous glands
inactive sebaceous glands
hair follicles growing out of the head at a perpendicular angle
absence of melanin
Each of the following is one of the main types of body hair EXCEPT____
terminal hair
lanugo hair
vellus hair
anagen hair
Hair is approximately ______ percent protein.
30
50
70
90
Three different types of side bonds that link chains of amino acids together are_____
oxygen, hydrogen, and salt
hydrogen, ionic, and carbon
ionic, helix, and disulfide
hydrogen, salt, and disulfide
What is the phase of the hair growth cycle in which the hair can shed?
catagen phase
nitrogen phase
telogen phase
anagen phase
A long chain of amino acids linded by peptide bonds is called a _______ chain.
Amino-peptide
poymer
keratin
polypeptide
The measurement that describes the number of individual hair strands on 1 square inch of the scalp is hair _______
porosity
diameter
elasticity
density
The ability of the hair to absorb moisture is hair _______
porosity
elasticity
density
saturation
Which type of hair has the largest diameter and usually requires more processing?
terminal hair
coarse hair
medium hair
grey hair
