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UAHD-Stage 1 > Chapter 11-Properties of the Hair & Scalp > Flashcards

Chapter 11-Properties of the Hair & Scalp Flashcards

1
Q

Scientific study of hair and its diseases and care is called

A

Trichology

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2
Q

The hair, skin nails and glass are apart of the

A

Integumentary System

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3
Q

The _______ is the pat of the hair located below the surface of the epidermis

A

Hair root

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4
Q

The _______ is the portion of the hair that projects above the epidermis

A

Hair Shaft

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5
Q

Tube-like depression or pocket in the skin or scalp that contains the hair root

A

Hair Follicle

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6
Q

Lowest part of the hair strand. it is the thickens, club-shaped structure that forms the lower part of the hair root

A

Hair Bulb

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7
Q

____________ is a small, cone shaped elevation located at the base of the hair follicle that fits into the hat bulb

A

Dermal Papilla

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8
Q

____________ is the small, involuntary muscle in the base of the hair follicle

A

Arrector Pili Muscle

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9
Q

The __________ glands secrete a fatty or an oily substance called sebum

A

sebaceous

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10
Q

You body can produce ___ of the 20 amino acids that make up hair, but your daily diet must include food to supply the remaining __ essential amino acids that the hair and scalp need.

A

11

9

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11
Q

The outermost layer of the hair

A

hair cuticle

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12
Q

Responsible for creating the shine and the smooth silky feel of healthy hair

A

Hair cuticle

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13
Q

A lengthwise ________ of hair shows that although the hair cuticle scales overlap, each individual cuticle scale is attached to the _______.

A

cross-section

cortex

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14
Q

a healthy hair cuticle layer protects the hair from what and prevents what

A

penetration

damage to hair fibers

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15
Q

middle layer of hair that is a fibrous protein core formed by elongated cells containing melanin pigment

A

cortex

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16
Q

changes involved in oxidation hair coloring, wet setting, thermal styling, per image waving and chemical hair relaxing take place within the _______

A

Cortex

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17
Q

_____ is composed of protein that grows from cells originating within the hair _______.

A

Hair Follicle

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18
Q

Keratinization

A

maturing process

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19
Q

the hair shaft that emerges is a _________ fiber composed of _________ protein

A

nonliving

keratinized

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20
Q

Hair is approximately what percent protein

A

90%

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21
Q

major elements that makeup human hair are

A

Carbon, oxygen, hydrogen nitrogen and sulfur

often referred to as the COHNS elements

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22
Q

proteins are made of long chains of __________, units that are joined together end to end like pop beads

A

amino acids

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23
Q

the strong, chemical bond that joins amino acids is a ____________, also known as end bond

A

peptide bond

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24
Q

A long chain of amino acids linked by peoetide bonds is called a __________

A

polypeptide chain

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25
Q

______ are long, coiled complex polypeptides made of amino acid

A

proteins

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26
Q

3 types of side binds

A

Hydrogen, Salt and Disulfide Bonds

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27
Q

weak, physical, cross-link side bond that is easily broken by water or heat

A

Hydrogen

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28
Q

how are hydrogen bonds broken

A

by setting the hair with water

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29
Q

when do the hydrogen bonds reform?

A

when the hair dries

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30
Q

weak, physical, cross-link side bond between adjacent polypeptide chains

A

Salt Bond

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31
Q

not broken by water but are broken by the permanent waves and chemical hair relaxers that alter the shape of hair

A

Disulfide Bonds

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32
Q

hydroxide chemical hair relaxers break disulfide bonds and then convert them to _____________ bonds

A

Lanthionine

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33
Q

tiny grains of pigment in the cortex that give natural color to the hair

34
Q

provides natural dark brown to black color to the hair and is the dark pigment predominant in black and brunette hair

35
Q

lighter pigment that provides natural colors ranging from red and ginger to yellow and blond tones

A

Pbeomelanin

36
Q

refers to the shape of the hair strand

A

wave pattern

37
Q

hair with an ____ to ______ oval cross-section is ______ or _______

A

oval
flattened
wavy
curly

38
Q

_______, also known as lanugo hair is short, fine, ____________, and downy hair that appears on the body.

A

Vellus

unpigmentated

39
Q

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

A

Terminal hair

40
Q

terminally hair is ______ than ________ hair, and, with the exception of gray hair, it is pigmented. It usually has a _______.

A

coarser
vellus
medulla

41
Q

also knowns as growth phase

when new hair is produced

A

Anagen phase

42
Q

the average growth of healthy scalp hair is about _____ inches per ______.

43
Q

anagen phase generally lasts from ______ to _____ years

44
Q

the longer the ________ cycle is, the longer the hair is able to grow.

45
Q

Brief transition periods between the growth and resting phases of a hair follicle

A

catagen phase

46
Q

also known as the resting phase, is the final phase in the hair cycle and lasts until the fully grown hair is shed

A

Telogen Phase

47
Q

abnormal hair loss

48
Q

also know as androgenetic alopecia, is hair loss that is characterized by miniaturization of terminal hair that is converted into vellus hair

A

androgenic alopecia

49
Q

usually begins with one or small, round, smooth bald patches on scalp and can process to total hair loss

A

alopecia totalis

50
Q

complete body hair loss

A

alopecia universal is

51
Q

temporary hair loss experiences at end of pregnancy

A

postpartum alopecia

52
Q

technical term for gray hair

53
Q

what is a result from the loss of the hair’s natural melanin pigment?

54
Q

___________, also known as hirsutes, is a condition of abnormal growth of hair

A

Hypertrichosis

55
Q

Technical term for split ends

A

Trichoptikosis

56
Q

___________ is the technical term for knotted hair by brittleness and the formation of nodular swellings along the hair shaft

A

Trichorrhexis nodosa

57
Q

Beaded hair’s technical term

A

Monilethrix

58
Q

Fragilitas crinium

A

technical term for brittle hair

59
Q

Pityriasis

A

technical term for dandruff which is characterized by the excessive production and accumulation of skin cells

60
Q

____________ is a naturally occurring fungus that is present on all human skin but causes the sun tony’s of dandruff when it grows out of control

A

Malassezia

61
Q

more severe case of dandruff characterized by what

A

Pittrasis Stearoides

accumulation of greasy or waxy scales, mixed with sebum that stick to the scalp

62
Q

accompanied by redness and inflammation

A

Seborrheic dermatitis

63
Q

technical term for ring worm

64
Q

Tinea is cashes by what

A

fungal organism

65
Q

characterized by dry, sulfur-yellow, cullike crusts on the scalp

66
Q

highly contagious skin disease caused by a parasite called a more that burrows under the skin

67
Q

The infestation of the hair and scalp with head lice

A

Pediculosis Capitis

68
Q

technical term for a book, an acute localized bacteria infection of the hair follicle that produces constant pain

69
Q

thickness or diameter of the individual hair strands

A

Hair texture

70
Q

___1________hair texture has the ____2____ diameter. It is ___3____ than finer hair for the same reason that a thick rope is stronger than a thing rope. It is often more ___4_____ to processing than medium or fine hair, so it usually requires ______5______ processing when you are applying products.

A
  1. Coarse
  2. Largest
  3. Stronger
  4. Resistant
  5. More
71
Q

measures the number of individual hair strands on one square inch of scalp

A

Hair density

72
Q

the ability of the hair to absorb moisture

A

Hair porosity

73
Q

chemical services performed on hair with ______ porosity require a more ___________ solution than those on hair with high porosity

A
  1. Low

2. alkaline

74
Q

the ability of the hair to stretch and return to its original length without breaking

A

Hair elasticity

75
Q

hair flowing in the same direction, resulting from follicles sloping in the same direction

A

hair stream

76
Q

___1______hair and ___2______should be treated with products that contain ______3_________ and ______4_______.

A
  1. Dry
  2. Scalp
  3. Moisturizers
  4. Emollients
77
Q

State Board Question

A

No licensee shall preform services on the skin or scalp of any person which is broken, inflamed, cut, abraded, eroded or infected

78
Q

no ___1_____ shall perform ____2_____ on the skin or ____3_____ of any person which is broken, ____4______, cut, _____5____, eroded or ____6______.

A
  1. licensee
  2. services
  3. scalp
  4. inflamed
  5. abraded
  6. infected
79
Q

_____ licensee shall perform ________ on the ______ or ______ of ____ person which is ______, inflamed, _____, abraded, _________ or infected.

A 
No 
services
skin
scalp
any
broken
cut 
eroded
80
Q

No _________ shall _______ ______ on the _______ or ______ of _____ _________ which is ______, ________, _____, _______, ________ or _________.

A 
licensee 
preform 
services
skin 
scalp
any
person
broken
inflamed
cut
abraded
eroded 
infected

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