Test Questions

Question 1

The thickened, club-shaped structure that forms the lower part of the hair root is the:

Answer 1

hair bulb

Question 2

The final phase in the hair cycle, lasting until the fully grown hair is shed, is the _____ phase.

Answer 2

telogen

Question 3

Which of the following is NOT one of the three types of side bonds of the cortex?

Answer 3

cortex bonds

Question 4

The condition characterized by the excessive production and accumulation of skin cells is:

Answer 4

pityriasis

Question 5

The two parts of a mature strand of human hair are:

Answer 5

hair root and hair shaft

Question 6

Hair follicles are distributed all over the body, with the exception of the:

Answer 6

palms of hands and soles of feet

Question 7

The medulla is composed of _____ cells.

Answer 7

round

Question 8

Peptide bonds are also known as:

Answer 8

end bonds

Question 9

The technical term for brittle hair is:

Answer 9

fragilitas crinium

Question 10

Most of the total weight of hair comes from which layer of the hair?

Answer 10

cortex

Question 11

When a parasite called a mite burrows under the skin, the result is:

Answer 11

scabies

Question 12

How many hair growth treatments have been approved by the FDA for sale in the United States?

Answer 12

two

Question 13

Hair is approximately 90 percent:

Answer 13

protein

Question 14

Unique protein structures within the cortex are responsible for the color and _____ of hair.

Answer 14

elasticity

Question 15

Which of the following conditions is an autoimmune disorder?

Answer 15

alopecia areata

Question 16

Which type of alopecia describes temporary hair loss at the end of a pregnancy?

Answer 16

postpartum alopecia

Question 17

Which condition is characterized by dry, sulfur-yellow, cuplike crusts on the scalp?

Answer 17

tinea favosa

Question 18

Hair that forms a circular growing pattern, as on the crown of the head, is called a:

Answer 18

whorl

Question 19

Oily hair and scalp can be caused by:

Answer 19

improper shampooing

Question 20

The _____ glands secrete sebum.

Answer 20

sebaceous

Question 21

The maturing process of hair is:

Answer 21

keratinization

Question 22

Thio neutralizers are used to reform _____ bonds.

Answer 22

disulfide

Question 23

The five major elements in skin and hair are referred to as the _____ elements.

Answer 23

COHNS

Question 24

A helix is:

Answer 24

spiral-shaped

Question 25

The small, cone-shaped area at the base of the hair follicle that fits into the hair bulb is the:

Answer 25

dermal papilla

Question 26

The technical term used to describe gray hair is:

Answer 26

canities

Question 27

The cortex of the hair has a fibrous protein core formed by _____ cells.

Answer 27

elongated

Question 28

Polypeptide chains are cross-linked like the rungs on a ladder by _____ different types of side bonds.

Answer 28

three

Question 29

Which layer of hair consists of transparent, scale-like cells?

Answer 29

hair cuticle

Question 30

Disulfide bonds account for about _____ of the hair's overall strength.

Answer 30

one-third

Question 31

Hair that has the largest diameter and usually requires more processing time is:

Answer 31

coarse

Question 32

A study suggests that bald men are perceived as:

Answer 32

older

Question 33

Extremely curly hair does NOT typically:

Answer 33

have a fairly regular and uniform diameter along a single strand

Question 34

The ability of the hair to absorb moisture is called hair:

Answer 34

porosity

Question 35

The term used to describe abnormal hair loss is:

Answer 35

alopecia

Question 36

Alternating bands of gray and pigmented hair throughout the length of the hair strand is called:

Answer 36

ringed hair

Question 37

The portion of the hair that projects above the skin is the:

Answer 37

hair shaft

Question 38

The scientific study of hair and its diseases and care is called:

Answer 38

trichology

Question 39

The condition that describes abnormal growth of hair is:

Answer 39

hypertrichosis

Question 40

Hydroxide chemical hair relaxers break disulfide bonds and convert them to:

Answer 40

lanthionine bonds

Question 41

New hair is produced during the _____ phase, or growth phase, of hair growth.

Answer 41

anagen

Question 42

Generally, only which type of hair contains a medulla?

Answer 42

thick, coarse hair

Question 43

Which type of side bond can be broken by water or heat?

Answer 43

hydrogen bond

Question 44

Proteins are made of long chains of:

Answer 44

amino acids

Question 45

The ability of the hair to stretch and return to its original length without breaking is called hair:

Answer 45

elasticity

Question 46

The average hair density is about how many hairs per square inch?

Answer 46

2200

Question 47

Which layer of hair provides a barrier that protects the inner structure of hair?

Answer 47

hair cuticle

Question 48

The wave pattern of the hair refers to the ______ of the hair strand.

Answer 48

shape

Question 49

The measurement of the individual hair strands on 1 square inch of the scalp is hair:

Answer 49

density

Question 50

Research has determined that dandruff is the result of a fungus called:

Answer 50

malassezia

Question 51

Which of the following statements is true?

Answer 51

Anyone of any race can have straight or extremely curly hair.

Question 52

Salt bonds can be broken by _____ solutions.

Answer 52

both strong alkaline and strong acidic

Question 53

The _____ is the tube-like depression in the skin or scalp that contains the hair root.

Answer 53

hair follicle

Question 54

Trichorrhexis nodosa is the technical term for:

Answer 54

knotted hair

Question 55

Pheomelanin provides hair colors ranging from:

Answer 55

red to blond

Question 56

People with dry hair and scalp should:

Answer 56

use products containing emollients

Question 57

Vellus hair almost never has a:

Answer 57

medulla

Question 58

Amino acids are joined by _____ bonds.

Answer 58

peptide

Question 59

Hair _____ is the thickness or diameter of the individual hair strand.

Answer 59

texture

Question 60

An acute, localized bacterial infection of a hair follicle that produces constant pain, is called a boil or a:

Answer 60

furuncle