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Hair And Scalp 7.1 & 7.2 > More Test Review > Flashcards

More Test Review Flashcards

(93 cards)

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0
Q

Goosebumps are caused by this muscle

A

Arrector pili

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1
Q

Muscle connected to hair follicle

A

Arrector pili

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2
Q

A condition of premature baldness or excessive hair loss is called

A

Alopecia prematura

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3
Q

When the ______ is gone and airspaces develop the hair appears to be gray

A

Melanin

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4
Q

Severe cases of hypertrichosis may be treated with _________

A

Electrolysis

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5
Q

A cross-sectional view of a wavy hair reveals it’s __________ shape

A

Oval

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6
Q

Define density

A

Number of hairs per square inch

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7
Q

Coloring matter is found in the hair _________

A

Cortex

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8
Q

Curly hair has what shape

A

Elliptical

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9
Q

The _________ is the club shaped structure forming at the lower part of the hair root

A

Hair bulb

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10
Q

How fast Does the average hair grow

A

Half an inch per month

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11
Q

The hair follicle is found in a tube like pocket down in the ________ and _________

A

Skin and scalp

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12
Q

A person with no coloring matter in their hair

A

Albino

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13
Q

Baldness In spots

A

Alopecia areata

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14
Q

The follicle gives the hair it’s shape size and _________

A

Direction

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15
Q

The hair root is the portion of the hair contained within the hair _______

A

Follicle

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16
Q

Define fragilitus crinium

A

Split ends

Trichoptilosis

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17
Q

Define porosity

A

Ability to absorb moisture

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18
Q

Permanent hair loss due to old age

A

Senilis alopecia

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19
Q

The hair root is the portion of the hair contained within the hair _______

A

Follicle

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20
Q

True or false

The hair shaft is the portion of the hair that projects beyond the skin

A

True

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21
Q

The hair layer that is sometimes missing

A

Medulla

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22
Q

This type of hair loss occurs most frequently after an injury to the nervous system

A

Alopecia areata

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23
Q

The most common causes of dandruff are neglect poor circulation and improper ______

A

Diet

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24
A cross-sectional view of a ______ hair reveals a round shape
Straight
25
Define melanin
Coloring matter of hair
26
Hair tonics or lotions with alcoholic content may be applied only after the application of _____ ________ current
High-frequency
27
True or false | The average life of the hair on your head is about 2 to 4 years
True
28
What do scalp manipulations do
Stimulate blood circulation
29
After a scout cream has been applied expose the scalp to _____ rays
Infrared
30
How far can dry normal hair stretch
20% or 1/5 of its natural length
31
Hair papilla contains ______ _______ which give nourishment to the hair
Blood vessels
32
Define alopecia prematura
Hair loss before middle age
33
True or false | Wet normal hair can stretch it's natural length about 40% to 50%
True
34
Define trichoptilosis
Split ends Fragilitis cranium Brittle hair
35
Hypertrichosis is also known as
Hirsuities | Superfluous hair
36
Wiry hair has what type of finish
Hard and glassy
37
Define trichology
The study of hair
38
The phases of hair growth are
1) Anagen is the growing phase 2) Catagen is the resting phase root sheath is attached 3) telogen is resting root sheath detaches
39
The final or resting phase in the hair growth cycle
Telogen
40
This is formed when sebum mixes with the bodies perspiration
Acid mantle
41
Hair is made up of a ____ substance called _______
protein and keratin
42
Natural hair color pigment is called _____ and is found in the ______
Melanin and cortex
43
Define elasticity
Hairs ability to stretch without breaking and retain shape
44
The technical term for eyelash hair
Cilia
45
A fungal infection characterized by red papules at the opening of the hair follicles
Tinea capitis | Ringworm of the scalp
46
Name and describe the three layers of the hair
1) cuticle-for protection has overlapping scalelike cells that form an outer layer 2) cortex-where everything happens the meat and potatoes 3) Medulla- not everyone has it innermost layer
47
Hair that is soft and downy and not pigmented and almost never has a medulla
Vellus
48
The two parts of the hair
Hair root | Hair shaft or fiber or strand
49
The two types of melanin
Eumelanin-brown or black | Pheomelanin- red
50
Define hair texture
Diameter of the individual strand
51
Two products approved by the FDA to stimulate hair growth
Minoxidil | Finasteride
52
Describe ringed hair
Rings of gray dispersed amongst natural hair color
53
Chemical bonds that hold the amino acid molecules together
Peptide bonds
54
What porosity of hair has the cuticle layer lying close to the hair shaft
Poor or resistant
55
True or false | The main purpose of a scalp treatment is to preserve the health of hair and scalp
True
56
Red watery vesicles caused by an itch mites burrowing under the skin
Scabies
57
What determines the natural flow of hair
The angle of the follicle
58
How long does the catagen phase last
A few weeks
59
What's the average rate of # of daily hairs shed
40 to 100 strands
60
The growth phase of new hair
Anagen
61
What color of hair generally has the highest number of hairs per square inch
Blonde
62
The bonds between the polypeptide chains are the hydrogen bonds salt bonds and ______ bonds
Disulfide
63
To raise the cuticle layer and allow for penetration the hair must _____
Swell
64
What are the three hair textures
Fine medium and coarse
65
Another name for an end bond
Peptide bond
66
To perform a chemical service on hair with low porosity use a more ______ solution
Alkaline
67
What causes hair to have high porosity
Over processing
68
A tuft of hair that stands up
Cowlick
69
These type of bonds must be chemically separated
Disulfide
70
Temporary hair loss at the conclusion of pregnancy
Postpartum alopecia
71
These bonds are easily broken by water or heat
Hydrogen
72
Name the five elements that make up the chemical composition of hair
``` Carbon Oxygen Hydrogen Nitrogen Sulfur ```
73
The follicle extends downward from the epidermis where it surrounds the ____
Papilla
74
What determines your natural hair color strength and texture
Genetics
75
What is the technical term for an infestation of head lice
Pediculosis Capitis
76
What is telogen effluvium
Premature shedding of hair
77
What keeps the hair and scalp soft and pliable
The acid mantle
78
Define terminal
Long and thick pigmented hair
79
What are the four important factors during hair analysis
Texture Density Elasticity Porosity
80
What is keratinization
The hardening of living protein cells
81
What can make a scalp more flexible
Scalp massages
82
Which hair growth stage does all cell division stop
Catagen phase
83
Which portion of the hair contains living cells
The hair bulb
84
The _____ supplies nourishment to the germinal matrix from the _____ ______
Papilla | Blood vessels
85
Define stream
The natural flow of hair
86
What causes extremely curly hair to break or knot easily
Low elasticity
87
What removes dust and dirt
Hair brushing
88
Hair grows from a tubelike pocket called a ______ or a _________
Root sheath | Follicle
89
The term used to describe that the layers of the cuticle are very close together
Resistant
90
What causes natural wave patterns in hair
Genetics
91
What causes the shrinking and miniaturization of follicles in androgenetic alopecia
Heredity Hormones Age
92
What is the general cause of hair turning gray
Aging | Canities

Hair And Scalp 7.1 & 7.2 (3 decks)

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