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Cosmetology Licensing Exam Review > Ch 11: Properties of the Hair & Scalp > Flashcards

Ch 11: Properties of the Hair & Scalp Flashcards

1
Q

The scientific study of hair, its diseases, and care is called _____.

A

trichology

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2
Q

The two parts of a mature strand of human hair are the _____.

A

hair root and hair shaft

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3
Q

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

A

hair follicle

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4
Q

Hair follicles are not found on the _____.

A

soles of the feet

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5
Q

The _____ is the small, involuntary muscle in the base of the hair follicle.

A

arrector pili muscle

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6
Q

The fatty or oily substance secreted by the sebaceous glands is _____.

A

sebum

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7
Q

For chemicals to penetrate a healthy cuticle hair layer, they must have _____.

A

an alkaline pH

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8
Q

The medulla is composed of _____ cells.

A

round

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9
Q

During the _____ phase, new hair is produced because new cells are actively manufactured in the hair follicle.

A

anagen

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10
Q

The major elements that make up human hair are carbon, oxygen, hydrogen, _____.

A

nitrogen, and sulfur

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11
Q

The strong, chemical bonds that join amino acids are called _____.

A

peptide bonds

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12
Q

Which type of melanin provides natural colors ranging from red and ginger to yellow and blonde tones?

A

Pheomelanin

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13
Q

Asians tend to have _____ hair.

A

extremely straight

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14
Q

To help minimize tangles in extremely curly hair when shampooing, you should use _____.

A

a detangling rinse

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15
Q

Hair texture is classified as _____.

A

coarse, medium, or fine

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16
Q

The measurement of the number of individual hair strands in one square inch (2.5 square centimeters) of the scalp is _____.

A

hair density

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17
Q

Compared to hair with high porosity, chemical services performed on a hair with low porosity require _____.

A

more alkaline solutions

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18
Q

Wet hair with normal elasticity will stretch up to _____ of its original length and return to that length without breaking.

A

50%

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19
Q

Oily hair and scalp can be treated by properly washing with a _____.

A

normalizing shampoo

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20
Q

Which type of hair almost never has a medulla?

A

Vellus

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21
Q

During which phase does the follicle canal shrink and detach from the dermal papilla?

A

Catagen

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22
Q

The average growth of healthy scalp hair is _____.

A

1/2 inch (1.25 cm) per month

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23
Q

The technical term used to describe gray hair is _____.

A

canities

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24
Q

A condition of abnormal growth of terminal hair in areas of the body that normally grow only vellus hair is _____.

A

hypertrichosis

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25
Q

The technical term for dandruff is _____.

A

pityriasis

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26
Q

Which of the five main structures of the hair root contain the blood and nerve supply that provides the nutrients needed for hair growth?

A

Dermal papilla

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27
Q

Because there are so many of them, salt bonds account for about _____ of the hair’s overall strength.

A

one third

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28
Q

The anagen phase generally last from 3 to 5 _____.

A

years

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29
Q

Scalp hair grows _____ on women than on men.

A

faster

30
Q

The _____ phase signals the end of the growth phase.

A

catagen

31
Q

Scalp massage _____ hair growth.

A

does not increase

32
Q

Compared to pigmented hair, gray hair is _____.

A

exactly the same

33
Q

Cross-sections of hair _____.

A

can be almost any shape

34
Q

Bald men are commonly perceived as _____.

A

less successful

35
Q

By age 35, almost _____ percent of both men and women show some degree of hair loss.

A

40

36
Q

Finasteride is an oral prescription medication for hair loss that is meant for _____.

A

men only

37
Q

Congenital canities exists _____.

A

at or before birth

38
Q

Dandruff can easily be mistaken for _____.

A

dry scalp

39
Q

Current research confirms that dandruff is the result of a _____.

A

fungus

40
Q

When the living cells of hair form and begin their journey upward through the hair follicle, they mature in a process called _____.

A

keratinization

41
Q

Tinea is characterized by _____, scales, and sometimes, painful circular lesions.

A

itching

42
Q

The infestation of the hair and scalp with head lice is called _____.

A

pediculosis capitis

43
Q

A carbuncle is similar to a furuncle but is _____.

A

larger

44
Q

Fine hair is _____ than coarse or medium hair.

A

more fragile

45
Q

Coarse hair _____.

A

is stronger than fine hair

46
Q

The _____ is the outermost layer of the hair.

A

hair cuticle

47
Q

The oil glands in the skin that are connected to the hair follicles are the _____ glands.

A

sebaceous

48
Q

A _____ bond is a weak, physical, cross-link side bond easily broken by water or heat.

A

hydrogen

49
Q

Hair is approximately _____ percent protein

A

90

50
Q

Total scalp hair loss is known as _____.

A

alopecia totalis

51
Q

Hypertrichosis is also known as _____.

A

hirsuties

52
Q

The naturally occurring fungus that causes the symptoms of dandruff when it grows out of control is _____.

A

malassezia

53
Q

The _____ is the lowest part of a hair strand.

A

hair bulb

54
Q

The technical term for a beaded hair is _____.

A

monilethrix

55
Q

A highly contagious skin disease caused by a parasite called a mite that burrows under the skin is _____.

A

scabies

56
Q

The term for the spiral shape of a coiled protein is _____.

A

helix

57
Q

Shaving, clipping, and cutting the hair on the head _____.

A

has no effect on hair growth

58
Q

Dry, sulfur-yellow, cup-like crusts on the scalp are called _____.

A

scutula

59
Q

The _____ are part of the integumentary system.

A

hair, skin, nails, and glands

60
Q

The long, of coarse, pigmented hair found on the scalp, legs, arms, and bodies of males and females is called _____.

A

terminal hair

61
Q

The technical term for knotted hair is _____.

A

trichorrhexis nodosa

62
Q

The _____ is the innermost layer of the hair and is composed of round cells.

A

medulla

63
Q

When hair leaves the follicles at an angle informs patterns or streams on the head, it is called _____.

A

a whorl

64
Q

The part of the hair located below the surface of the epidermis is the _____.

A

hair root

65
Q

A particular pattern of hair stream that is usually more noticeable in the front hairline in people with short, thick hair is a _____.

A

cowlick

66
Q

The ability of the hair to absorb moisture is called _____.

A

hair porosity

67
Q

The middle layer of the hair is the _____.

A

cortex

68
Q

An autoimmune disorder that causes the affected hair follicles to be mistakenly at attacked by a person’s own immune system is _____.

A

alopecia areata

69
Q

Vellus hair is also known as _____.

A

lanugo hair

70
Q

The technical term for ringworm is _____.

A

tinea

Cosmetology Licensing Exam Review (32 decks)

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