CHAPTER 11: PROPERTIES OF THE HAIR & SCALP Flashcards by Stephen Clark

The scientific study of hair, it’s diseases, and care is called _____________.

a. dermatology
b. trichology
c. biology
d. cosmetology

b. trichology

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

a. dermis and epidermis
b. hair shaft and hair follicle
c. hair root and hair shaft
d. hair root and hair follicle

c. hair root and hair shaft

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

a. hair follicle
b. hair shaft
c. hair bulb
d. scalp

a. hair follicle

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Hair follicles are not found on the ________________.

a. forehead area
b. backs of the hands
c. soles of the feet
d. back of the neck

c. soles of the feet

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

a. medulla
b. arrector pili muscle
c. tinea
d. dermal papilla

b. arrector pili muscle

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

a. sweat
b. lymph
c. catagen
d. sebum

d. sebum

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

a. no pH
b. a neutral pH
c. an alkaline pH
d. an acidic pH

c. an alkaline pH

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The medulla is composed of ___________ cells.

a. rod-shaped
b. round
c. spiral-shaped
d. rectangular

b. round

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

a. anagen
b. catagen
c. resting
d. telogen

a. anagen

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

a. lead, and zinc
b. keratin, and selenium
c. boron, and calcium
d. nitrogen, and sulfur

d. nitrogen, and sulfur

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

a. convex bonds
b. peptide bonds
c. hydrogen bonds
d. side bonds

b. peptide bonds

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

a. Pheomelanin
b. Eumelanin
c. Polymelanin
d. Boimelanin

a. Pheomelanin

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Asians tend to have __________ hair.

a. extremely straight
b. extremely curly
c. straight to wavy
d. wavy to curly

a. extremely straight

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

a. a drying shampoo
b. strong scalp manipulations
c. a detangling rinse
d. antibacterial shampoo

c. a detangling rince

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Hair texture is classified as _________.

a. wavy, straight, or curly
b. coarse, medium, or fine
c. light, medium, or dark
d. long, medium, or short

b. coarse, medium, or fine

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The measurement of the number of individual hair strands on one square inch of the scalp is __________.

a. hair density
b. hair elasticity
c. hair texture
d. hair porosity

a. hair density

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

a. neutral solutions
b. more acidic solutions
c. solutions of the same pH
d. more alkaline solutions

d. more alkaline solutions

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

a. 25%
b. 40%
c. 50%
d. 70%

c. 50%

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

a. vinegar solution
b. normalizing shampoo
c. conditioning shampoo
d. dry shampoo

b. normalizing shampoo

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Which type of hair almost never has a medulla?

a. oily
b. pigmented
c. terminal
d. vellus

d. vellus

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

a. Patagen
b. Telogen
c. Anagen
d. Catagen

d. Catagen

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The average growth of healthy scalp hair is __________.

a. 1/2 inch per week
b. 1 inch per week
c. 1/2 inch per month
d. 1 inch per month

c. 1/2 inch per month

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The technical term used to describe gray hair is ___________.

a. canities
b. tinea
c. alopecia
d. albino

a. canities

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

a. trichorrhexis
b. ringed hair
c. hypertrichosis
d. canities

c. hypertrichosis

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The technical term for dandruff is ___________. a. canities b. pityriasis c. alopecia d. simplex

b. pityriasis

Which of the five main structures of the hair root contain the blood and nerve supply that provide the nutrients needed for hair growth? a. Dermal papilla b. Hair bulb c. Hair follicle d. Sebaceous glands

a. Dermal papilla

Because there are so many of them, salt bonds account for about ____ of the hair's overall strength. a. one quarter b. one half c. one third d. two thirds

c. one third

The anagen phase generally lasts from three to five ________. a. days b. weeks c. months d. years

d. years

Scalp massage _______ hair growth. a. increases b. decreases c. does not increase d. is necessary for

c. does not increase

Compared to pigmented hair, gray hair is _______________. a. exactly the same b. softer c. more resistant d. less resistant

a. exactly the same

Cross-sections of hair ___________. a. are always round b. are always oval c. are always flattened oval d. can be almost any shape

d. can be almost any shape

Bald men are commonly perceived as ______________. a. more assertive b. younger c. more physically attractive d. less successful

d. less successful

By age 35, almost ___________ percent of both men and woman show some degree of hair loss. a. 20 b. 30 c. 40 d. 50

c. 40

Finasteride is an oral prescription medication for hair loss that is meant for ___________. a. men only b. woman only c. men and women d. animals

a. men only

Congenital canities exists ____________. a. at or before birth b. during adolescence c. during middle ages d. in the later years of life

a. at or before birth

Dandruff can easily be mistaken for ________. a. tinea b. dry scalp c. pediculosis capitis d. trichoptilosis

b. dry scalp

Current research confirms that dandruff is the result of a ___________. a. bacterium b. virus c. parasite d. fungus

d. fungus

When the living cells of hair form and begin their journey upward through the hair follicle, they mature in a process called ____________. a. neutralization b. transition c. keratinization d. maturation

c. keratinization

Tinea is characterized by ________, scales, and sometimes, painful circular lesions. a. numbness b. blisters c. sudden hair loss d. itching

d. itching

The infestation of the hair and scalp with head lice is called ___________. a. hypertrichosis b. trichoptilosis c. pediculosis capitis d. fragilitas crinium

c. pediculosis capitis

A carbuncle is similar to a furuncle but is _________. a. smaller b. larger c. harder d. softer

b. larger

Fine hair is ________ than coarse or medium hair. a. thicker b. harder to process c. more difficult to damage d. more fragile

d. more fragile

Coarse hair ___________. a. has the smallest diameter b. is the most common hair texture c. is not resistant to chemical services d. is stronger than fine hair

d. is stronger than fine hair

The _____ is the outermost layer of the hair. a. hair cuticle b. hair bulb c. hair follicle d. hair root

a. hair cuticle

The oil glands in the skin that are connected to the hair follicles are the _____ glands. a. systine b. simplex c. sebaceous d. scutula

c. sebaceous

A __________ bond is a weak, physical, cross-link side bond easily broken by water or heat. a. hydrogen b. hydrophilic c. hydrophobic d. helix

a. hydrogen

Hair is approximately ___________ percent protein. a. 60 b. 70 c. 80 d. 90

d. 90

Total scalp hair loss is known as ____________. a. alopecia areata b. androgenetic alopecia c. alopecia totalis d. alopecia universalis

c. alopecia totalis

Hypertrichosis is also known as _______________. a. ringed hair b. hirsuties c. canities d. split ends

b. hirsuties

The naturally occurring fungus that causes the symptoms of dandruff when it grows out of control is ___________. a. medulla b. monilethrix c. malassezia d. hypertrichosis

c. malassezia

The ________ is the lowest part of the hair strand. a. hair root b. hair bulb c. hair cuticle d. hair follicle

b. hair bulb

The technical term for beaded hair is _____________. a. monilethrix b. fragilitas crinium c. trichorrhexis nodosa d. hypertrichosis

a. monilethrix

A highly contagious skin disease caused by a parasite called a mite that burrows under the skin is _______. a. capitis b. scabies c. furuncle d. carbuncle

b. scabies

The term for the spiral shape of a coiled protein is ____________. a. matrix b. cystine c. helix d. cysteine

c. helix

Shaving, clipping, and cutting the hair on the head ________________. a. makes it grow back faster b. makes it grow back darker c. makes it grow back coarser d. has no effect on hair growth

d. has no effect on hair growth

Dry, sulfur-yellow, cuplike crusts on the scalp are called ____________. a. tinea barbae b. scabies c. scutula d. wheals

c. scutula

The ________ are part of the integumentary system. a. hair, skin, and bones b. hair, skin, nails, and glands c. hair, glands, and bones d. nails, skin, and muscles

d. hair, skin, nails, and glands

The long, coarse, pigmented hair found on the scalp, legs, arms, and bodies of males and females is called __________. a. vellus hair b. lanugo hair c. extra hair d. terminal hair

d. terminal hair

The technical term for knotted hair is ______________. a. trichorrhexis nodosa b. monilethrix c. medulla d. scutula

a. trichorrhexis nodosa

The _____ is the innermost layer of the hair and is composed of round cells. a. tinea b. monilethrix c. medulla d. scutula

c. medulla

When hair leaves the follicles at an angle and forms patterns or streams on the head, it is called ___________. a. crown hair b. cowlick c. ringed hair d. a whorl

d. a whorl

The part of the hair located below the surface of the epidermis is the _____________. a. hair root b. hair shaft c. hair stream d. hair bulb

a. hair root

A particular pattern of hair stream that is usually more noticeable on the front hairline in people with short, thick hair is a ___________. a. cystine b. cysteine c. cortex d. cowlick

d. cowlick

The ability of the hair to absorb moisture is called __________ a. hair absorbency b. hair porosity c. hair saturation d. hair strem

b. hair porosity

The middle layer of the hair is the _____________. a. cortex b. carbuncle c. canity d. catagen

a. cortex

An autoimmune disorder that causes the affected hair follicles to be mistakenly attacked by a person's own immune system is _________. a. androgenic alopecia b. alopecia areata c. alopecia totalis d. alopecia universalis

b. alopecia areata

Vellus hair is also known as _________. a. lanugo hair b. lanthionine hair c. malassezia hair d. monilethrix hair

a. lanugo hair

The technical term for ringworm is _____________. a. tinea b. tinea barbae c. tinea favosa d. tinea capitis

a. tinea

Scalp hair grows ___________ on women than on men. a. slower b. faster c. thinner d. thicker

b. faster

The _____ phase signals the end of the growth phase. a. telogen b. resting c. anagen d. catagen

d. catagen