Duplicate of Milady Cosmetology (13th Edition) Chapter 11 Properties of the Hair and Scalp

Question 1

Temporary hair loss experienced towards the end and after pregnancy.

Accepted Answer

postpartum alopecia

Question 2

Bonds that cross-link the polypeptide chains together; (strength and elasticity of human hair)

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side bonds

Question 3

Technical term for dandruff; excessive production and accumulation of skin cells.

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pityriasis

Question 4

Gives natural dark brown-black color to the hair; dark pigment primary in black/brunette hair.

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eumelanin

Question 5

Technical term for gray hair; results from the loss of the hairs natural melanin pigment.

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canities

Question 6

Bond that joins sulfur atoms of 2 neighboring cysteine amino acids to create 1 cystine

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disulfide bond

Question 7

Thickness or diameter of the individual hair strand.

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hair texture

Question 8

Long, coiled complex polypeptides made of amino acids.

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proteins

Question 9

Technical term for beaded hair.

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monilethrix

Question 10

The shape of the hair strands; described as straight wavy, curly, and extremely curly.

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wave pattern

Question 11

Technical term for split ends.

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trichoptilosis

Question 12

Disulfied bonds are broken by hydroxide chemical relaxers after relaxer is rinsed from hair.

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lanthionine bonds

Question 13

Thickened club-shaped structure that forms the lower part of the hair root.

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hair bulb

Question 14

Spiral shape of a coiled protein created by polypeptide chains that intertwine with each other.

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helix

Question 15

Number of individual hair strands on 1 square inch of scalp.

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hair density

Question 16

Small cone shaped elevation at the base of the hair follicle that fits into the hair bulb.

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dermal papilla

Question 17

Growth of terminal hair in areas of the body that normally grow vellus hair, known as hirsuties

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hypertrichosis

Question 18

Brittleness and the formation of nodular swelling along the hair shaft. known as knotted hair

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trichorrhexis nodosa

Question 19

Dry, sulfur-yellow, cupcake crusts on the scalp in tinea favosa or tinea favus.

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scutula

Question 20

Fungal infection w/ dry sulfur-yellow cupcake crusts on the scalp called scutula (tinea favus)

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tinea favosa

Question 21

Canities; alternating bands of gray & pigmented hair throughout the length of the hair strand.

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ringed hair

Question 22

Outermost layer of hair; consists of a single overlapping layer of transparent scale-like cells

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hair cuticle

Question 23

Ability of the hair to absorb moisture.

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hair porosity

Question 24

Tuft of hair that stands straight up.

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cowlick

Question 25

Infestation of the hair and scalp with head lice.

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pediculosis capitis

Question 26

Hair flowing in the same direction, resulting from follicles sloping in the same direction.

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hair stream

Question 27

A long chain of amino acids linked by peptide bonds.

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polypeptide chain

Question 28

5 elements carbon oxygen hydrogen nitrogen & sulfur that make up human hair skin tissue & nails

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COHNS elements

Question 29

Total loss of scalp hair.

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alopecia totalis

Question 30

Also known as growth phase; phase during which new hair is produced.

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anagen phase

Question 31

Naturally resistant to being penetrated by moisture.

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hydrophobic

Question 32

Chemical bond that joins amino acids to eachother end to end to form polypeptide chain.

Accepted Answer

peptide bond

Question 33

The portion of the hair that projects above the epidermis.

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hair shaft

Question 34

Lighter pigment that provides natural color from red and ginger to yellow and blond tones.

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pheomelanin

Question 35

Fungus present on all human skin, it is responsible for dandruff that grows out of control.

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malassezia

Question 36

Scientific study of hair and its diseases and care.

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trichology

Question 37

Small involuntary muscle in the base of the hair follicle.

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arrector pili muscle

Question 38

Boil; acute, localized bacterial infection of the hair follicle that produces constant pain.

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furuncle

Question 39

Accumulation of greasy or waxy scales mixed with sebum that stick to scalp in crusts.

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pityriasis steatoides

Question 40

Long, Coarse, pigmented hair found on the scalp, legs, arms and bodies of males and females.

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terminal hair

Question 41

Easily absorbs moisture; in chemistry terms, capable of combining with or attracting water.

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hydrophilic

Question 42

An amino acid with sulfur atom(s) that joins together two peptide strands.

Accepted Answer

cysteine

Question 43

Hair loss characterized by miniaturization of terminal hair converted to vellus hair.

Accepted Answer

androgenic alopecia

Question 44

A fibrous protein that grows from cells originating within the hair follicle.

Accepted Answer

keratin

Question 45

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

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hair follicle

Question 46

Final phase in the hair cycle, lasts until the fully grown hair is shed. known as resting phase

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telogen phase

Question 47

A weak, physical, cross-link bond between adjacent polypeptide chains.

Accepted Answer

salt bond

Question 48

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

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hair root

Question 49

Middle layer of the hair, a fibrous core formed by elongated cells containing melanin pigment.

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cortex

Question 50

Technical term for brittle hair.

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fragilitas crinium

Question 51

Hair that forms in a circular pattern on the crown of the head.

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whorl

Question 52

Newly formed cells in hair bulb mature fill with keratin move upward lose their nucleus and die

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keratinization

Question 53

Inflammation of the sebaceous tissue caused by staphylococci; simular to foruncle but larger.

Accepted Answer

carbuncle

Question 54

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

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sebaceous glands

Question 55

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

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hair elasticity

Question 56

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

Accepted Answer

hydrogen bond

Question 57

A fatty or oily substance secreted by the sebaceous glands that lubricates the skin.

Accepted Answer

sebum

Question 58

Period between the growth and resting phases of a hair follicle signals end of the growth phase

Accepted Answer

catagen phase

Question 59

Technical term for ringworm, a contageous condition caused by fungal infection not a parasite.

Accepted Answer

tinea

Question 60

Units joined together end to end that form polypeptide chains that comprise proteins.

Accepted Answer

amino acids

Question 61

Autoimmune disorder causes hair follicles to be mistakenly attacked by a persons immune system.

Accepted Answer

alopecia areata

Question 62

Abnormal hair loss.

Accepted Answer

alopecia

Question 63

Technical term 4 classic dandruff characterized by scalp irritation large flakes & itchy scalp.

Accepted Answer

pityriasis capitis simplex

Question 64

Intermost layer hair that is composed of round cells; absent in fine and natural blond hair.

Accepted Answer

medulla

Duplicate of Milady Cosmetology (13th Edition) Chapter 11 Properties of the Hair and Scalp

Questions 66

Duplicate of Milady Cosmetology (13th Edition) Chapter 11 Properties of the Hair and Scalp

Questions 66