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Hair Design State Board Written Test > 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 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 types?

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 on 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 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 percent

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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 detatch 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 centimeters) 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 grown only vellus hair is ______________.

A

hypertrichosis

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25
The technical term for dandruff is ______________.
pityriasis
26
Which of the five main structures of the hair root contain the blood and nerve supply that provides the nutrients needed for hair growth?
Dermal papilla
27
Because there are so many of them, salt bonds account for about ______________ of the hair's overall strength.
One third
28
The anagen phase generally lasts from three to five ______________.
years
29
Scalp hair grows ______________ on women than on men.
faster
30
The ______________ phase signals the end of the growth.
catagen
31
Scalp massage ______________ hair growth.
does not increase
32
Compared to pigmented hair, gray hair is ______________.
exactly the same
33
Cross-sections of hair ______________.
can be almost any shape
34
Bald men are commonly perceived as ______________.
less successful
35
By age 35, almost ______________ percent of both men and women show some degree of hair loss.
40
36
Finasteride is an oral prescription medication for hair loss that is meant for ______________.
men only
37
Congenital canities exists ______________.
at or before birth
38
Dandruff can easily be mistaken for ______________.
dry scalp
39
Current research confirms that dandruff is the result of a ______________.
fungus
40
When the living cells of hair form and begin their journey upward through the hair follicle, they mature in a process called ______________.
keratinization
41
Tinea is characterized by ______________, scales, and sometimes painful circular lesions.
itching
42
The infestation of the hair and scalp with head lice is called ______________.
pediculosis capitis
43
A carbuncle is similar to a furuncle but is ______________.
larger
44
Fine hair is ______________ than coarse or medium hair.
more fragile
45
Coarse hair is ______________.
stronger than fine hair
46
The ______________ is the outermost layer of the hair.
hair cuticle
47
The oil glands in the skin that are connected to the hair follicles are the ______________ glands.
sebaceous
48
A ______________ bond is a weak, physical, cross-link side bond easily broken by water or heat.
hydrogen
49
Hair is approximately ______________ percent protein.
90%
50
Total scalp hair loss is known as ______________.
alopecia totalis
51
Hypertrichosis is also known as ______________.
hirsuties
52
The naturally occurring fungus that causes the symptoms of dandruff when it grows out of control is ______________.
malassezia
53
The ______________ is the lowest part of a hair strand.
hair bulb
54
The technical term for beaded hair is ______________.
monliethrix
55
A highly contagious skin disease caused by a parasite called a mite that burrows under the skin is ______________.
scabies
56
The term for the spiral shape of a coiled protein is ______________.
helix
57
Shaving, clipping, and cutting the hair on the head ______________.
has no effect on hair growth
58
Dry, sulfur-yellow, cuplike crusts on the scalp are called ______________.
scutula
59
The ______________ are part of the integumentary system.
hair, skin, nails, and glands
60
The long, coarse, pigmented hair found on the scalp, legs, arms, and bodies of males and females is called ______________.
terminal hair
61
The technical term for knotted hair is ______________.
trichorrhexis nodosa
62
The ______________ is the innermost layer of the hair and is composed of round cells.
medulla
63
When hair leaves the follicles at an angle and forms patterns or streams on the head, it is called ______________.
a whorl
64
The part of the hair located below the surface of the epidermis is the ______________.
hair root
65
A particular pattern of hair stream that is usually more noticeable on the front hairline in people with short, thick hair is a ______________.
cowlick
66
The ability of the hair to absorb moisture is called ______________.
hair porosity
67
The middle layer of the hair is the ______________.
cortex
68
An autoimmune disorder that causes the affected hair follicles to be mistakenly attacked by a person's own immune system is ______________.
alopecia areata
69
Vellus hair is also known as ______________.
lanugo hair
70
What are the basic building blocks of hair that affect how chemical solutions react?
Amino acids, peptide bonds, polypeptide chains, keratin proteins, and side bonds
71
Human hair burns ____ giving off a distinctive odor.
slowly
72
What is a severe type of dandruff characterized by an accumulation of greasy or waxy scalp scales mixed with sebum?
Pityriasis steatoides
73
What is a scalp disorder characterized by dry, sulfur yellow, cup-like crusts on the scalp?
Tinea favosa
74
Hair is composed of protein that grows from cells originating within the ______.
hair follicle
75
The body naturally produces _______ of the 20 amino acids that make up hair.
11

Hair Design State Board Written Test (19 decks)

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