Chapter 11 - Properties of Hair and Scalp Flashcards
The two parts of a mature strand of human hair are the:
a. dermis and epidermis
b. hair shaft and hair follicle
c. hair shaft and hair root
d. hair root and hair follicle
c. hair shaft and hair root
The tube-like depression or pocket in the skin or scalp that contains the hair root is the:
a. follicle
b. shaft
c. bulb
d. scalp
a. follicle
Hair follicles are not found on the:
a. forehead area
b. back of the hands
c. soles of the feet
d. back of the neck
c. soles of the feet
The _________ is a tiny, involuntary muscle in the base of the hair follicle.
a. medulla
b. arrector pili
c. tinea
d. dermal papilla
b. arrector pili
An oily substance secreted from the sebaceous gland is:
a. sweat
b. lymph
c. catagen
d. sebum
d. sebum
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
The medulla is composed of ________ cells.
a. rod shaped
b. round
c. spiral shaped
d. rectangular
d. rectangular
The process whereby living cells mature and begin their journey up the hair shaft is:
a. anagen
b. catagen
c. keratinization
d. osmosis
c. keratinization
The five main elements that make up the chemical composition of human hair are carbon, oxygen, hydrogen and:
a. lead and zinc
b. keratin and selenium
c. boron and calcium
d. nitrogen and sulfer
d. nitrogen and sulfer
The chemical bonds that hold together the amino acid molecules are called:
a. convex bonds
b. peptide bonds
c. helium bonds
d. protein bonds
b. peptide bonds
Which type of melanin provides natural colors ranging from red and ginger to yellow and blond tones?
a. pheomelanin
b. eumelanin
c. polymelanin
d. biomelanin
a. pheomelanin
Asians tend to have:
a. extremely straight hair
b. extremely curly hair
c. straight to wavy hair
d. wavy to curly hair
a. extremely straight hair
To help minimize tangles in extremely curly hair when washing,you should use:
a. a drying shampoo
b. strong scalp manipulations
c. a detangling rinse
d. soap instead of shampoo
c. a detangling rinse
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
The measurement of individual hair strands on 1 square inch (2.5 square centimeters) of the scalp is:
a. hair density
b. hair elasticity
c. hair texture
d. hair porosity
a. hair density
Compared to hair with high porosity, chemical services performed on hair with low porosity require:
a. neutral solutions
b. more acidic solutions
c. solutions with the same pH
d. more alkaline solutions
d. more alkaline solutions
Wet hair with normal elasticity will stretch up to _______ of its original length.
a. 25%
b. 40%
c. 50%
d. 70%
c. 50%
Oily scalp and hair can be treated by properly washing it:
a. without shampoo
b. with normalizing shampoo
c. with conditioning shampoo
d. with dry shampoo
b. with normalizing shampoo
Which type of hair almost never has a medulla?
a. oily
b. pigmented
c. dark
d. vellus
d. vellus
The growth phase during which new hair is produced is:
a. patagen
b. telogen
c. anagen
d. catagen
c. anagen
The average growth of healthy scalp hair is:
a. 1/2” per week
b. 1” per week
c. 1/2” per month
d. 1” per month
c. 1/2” per month
The technical term used to describe gray hair is:
a. canities
b. tinea
c. alopecia
d. albino
a. canities
A condition of abnormal hair growth on areas of the body is:
a. trichorrhexxis
b. ringed hair
c. hypertrichosis
d. electrolysis
c. hypertrichosis
The medical term for dandruff is:
a. canities
b. pityriasis
c. alopecia
d. simplex
b. pityriasis
The body can produce 11 of the 20 ______ that make up hair.
a. amino acids
b. COHNS elements
c. disulfide bonds
d. polypeptide bonds
a. amino acids
Salt bonds account for about ________ of the hairs overall strength.
a. 1/4
b. 1/2
c. 1/3
d. 2/3
c. 1/3
The anagen phase generally lasts from three to five:
a. days
b. weeks
c. months
d. years
d. years
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. cysteine
b. cystine
c. anagen
d. catagen
d. catagen
Scalp massage ________ hair growth.
a. increases
b. decreases
c. does not affect
d. is necessary for
c. does not affect
Compared to pigmented hair, gray hair is:
a. neither coarser nor more resistant
b. both coarser and more resistant
c. coarser
d. more resistant
a. neither coarser nor more resistant
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 most 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 women show some degree of hair loss.
a. 20
b. 30
c. 40
d. 50
c. 40
Finisteride is an oral prescription medication for hair loss that is meant for:
a. men only
b. women only
c. men and women
d. animals
a. men only
Congenital canities manifests:
a. at or before birth
b. during adolescence
c. during middle age
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
Dandruff is believed to be caused by a:
a. bacterium
b. virus
c. parasite
d. fungus
d. fungus
The most frequently encountered fungal infection resulting from hair services is:
a. tinea barbae
b. tinea capitis
c. tinea pedis
d. tinea favosa
a. tinea barbae
Tinea is characterized by:
a. numbness
b. blisters
c. sudden hair loss
d. itiching
d. itiching
The infestation of the hair and scalp with head lice is called:
a. hypertrochosis
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. much darker in color
d. much lighter in color
b. larger
Fine hair is ______ than coarse medium hair.
a. thicker
b. harder to process
c. less susceptible to damage from chemical services
d. more fragile
d. more fragile
Coarse hair:
a. has the smallest diameter of the 3 types of hair texture
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 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 physical bond easily broken by heat or water?
a. hydrogen
b. hydrophillic
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 unversalis
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 if 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
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 a 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, cup-like 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 nails
b. hair, skin, nails and glands
c. hair, glands and nails
d. nails, skin and glands
b. 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. trichoptilosis
d. hypertrichosis
a. trichorrhexis nodosa
The ________ is the innermost layer do hair.
a. tinea
b. monilethrix
c. medulla
d. scutula
c. medulla
Hair that forms in a circular pattern on the crown of the head is called:
a. crown hair
b. cowlick
c. ringed hair
d. whorl
d. 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
The tuft of hair that stands straight up 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 stream
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 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 medical term for ringworm is:
a. tinea
b. tinea barbae
c. tinea favosa
d. tinea capitis
a. tinea
The scientific study of hair, its diseases and care is called:
a. dermatology
b. trichology
c. biology
d. cosmetology
b. trichology
The ability of hair to stretch and return to its original length without breaking is referred to: A. Denisity B. Elasticity C. Porosity D. Resistance
B. Elasticity
The technical term for gray hair is: A. Alopecia B. Canities C. Albino D. Ringed hair
B. Canities
The pocket or tube-like depression in the scalp or skin that contains the hair root is: A. Bulb B. Follicle C. Shaft D. Dermal
B. Follicle
The resting phase or final phase of the hair cycle that lasts until the fully grown hair is shed is the: A. Telogen phase B. Anagen phase C. Catagen phase D. Transition phase
A. Telogen phase
A lengthwise section of hair shows that cuticle scales overlap and each individual cuticle scale is attached to the: A. Medulla B. Melanin C. Cortex D. Root
C. Cortex
The condition of abnormal hair growth of terminal hair is referred to as: A. Monilethrix B. Ringed hair C. Hypertrichosis D. Trichoptilosis
C. Hypertrichosis
Permanent waving and hair relaxers change the shape of hair by chemically altering the hairs: A. Hydrogen bonds B. Ionic bonds C. Disulfide bonds D. Amino acids
C. Disulfide bonds
A physical side bond that is easily broken by water and heat is a: A. Nitrogen bond B. Hydrogen bond C. Disulfide bond D. Sulfur bond
B. Hydrogen bond
Hydroxide chemical relaxers break disulfide bonds and convert them to: A. Lanthionine bonds B. Sulfur bonds C. Carbon bonds D. Hydrogen bonds
A. Lanthionine bonds
The measurement that describes the number of individual hair strands on 1 square inch of the scalp is: A. Porosity B. Diameter C. Elasticity D. Density
D. Density
Current research confirms that dandruff is the result of a fungus called: A. Pyrithione B. Steatiodes C. Capitis D. Malassezia
D. Malassezia
The hair, skin, nails and glands are known collectively as the: A. Epidermis B. Integument C. Dermal papilla D. Trichology
B. Integument
The substance secreted by the sebaceous glands is called: A. Sebum B. Sulfur C. Sudoriferous D. Lymph
A. Sebum
The sudden falling out of hair in round patches or baldness in spots is: A. Postpartum alopecia B. Androgenic alopecia C. Alopecia totalis D. Alopecia areata
D. Alopecia areata
Chemical services performed on hair with low porosity require a solution that is: A. Less alkaline B. Absorbent C. Gentle D. More alkaline
D. More alkaline
The melanin that provides brown or black color to hair is: A. Ionic B. Eumelanin C. Pheomelanin D. Telogen
B. Eumelanin
The hair shaft that emerges from the scalp is a nonliving fiber composed of: A. Keratinized acids B. Hydrogen bonds C. Melanin protein D. Keratinized protein
D. Keratinized protein
The units of structure that build protein and are joined together end to end like pop heads are: A. Oxygenated cells B. Primary acids C. Amino acids D. Lymph glands
C. Amino acids
The thickness or diameter of the individual hair strand is referred to as hair: A. Dryness B. Texture C. Elasticity D. Porosity
B. Texture
All natural hair color is the result of pigment located in the cortex called: A. Melanin B. Tissue C. Sebum D. Proteins
A. Melanin
Dry hair and scalp should be treated with products that contain moisturizers and: A. Sulfur B. Chemicals C. Alcohol D. Emollients
D. Emollients
The thickened, club-like structure that forms the lower part of the hair root is the: A. Cuticle layer B. Hair bulb C. Dermal papilla D. Arrector pili
B. Hair bulb
The medulla, the innermost layer of the hair, is composed of cells that are: A. Transparent B. Elongated C. Flat D. Round
D. Round
A severe type of dandruff characterized by an accumulation of greasy or waxy scalp scales mixed with sebum is: A. Pityriasis capitis B. Tinea favosa C. Pityriasis papules D. Pityriasis steatoides
D. Pityriasis steatoides
An infestation of the hair scalp with head lice is: A. Pediculosis capitis B. Pediculosis furuncle C. Alopecia areata D. Vesicles parasites
A. Pediculosis capitis
The ability of the hair to absorb moisture is: A. Porosity B. Elasticity C. Density D. Saturation
A. Porosity
Tinea is characterized by itching scales and sometimes painful circular lesions and is caused by: A. Seborrheic dermatitis B. Parasites C. Subcutaneous tissue D. Fungal organisms
D. Fungal organisms
Which of the following scalp disorders is characterized by dry, sulfur-yellow, cup-like crusts on the scalp? A. Tinea capitis B. Pediculosis furuncle C. Tinea favosa D. Tinea barbae
C. Tinea favosa
The five main structures of the hair root include all of the following except the: A. Hair follicle B. Dermal papilla C. Arrector pili muscle D. Epidermis
D. Epidermis
The three growth cycles of human hair are: A. Anagen, endocentric, and telogen B. Catagen, return and transition C. Anagen, Catagen and telogen D. Anagen, transition and mature
C. Anagen, Catagen and telogen
Which of the following terms is used to describe hairs wave pattern? A. Curly B. Straight C. Extremely curly D. All of the above
D. All of the above
A highly contagious skin disease caused by a parasite called a mite is: A. Dandruff B. Pediculosis C. Scabies D. Tinea
C. Scabies
A long chain of amino acids linked by peptide bonds is called a: A. Amino-peptide chain B. Polymer chain C. Keratin chain D. Polypeptide chain
D. Polypeptide chain
The medical term used to describe dandruff is: A. Alopecia B. Selenium C. Pityriasis D. Pyrithione
C. Pityriasis
The small, involuntary muscle in the base of the hair follicle is the: A. Inner follicle B. Angled bulb C. Arrector pili D. Dermal papilla
C. Arrector pili
Hair flowing in the same direction, the result of follicles sloping in the same direction form a: A. Section B. Hair stream C. Hair whorl D. Cowlick
B. Hair stream
Hair that has the largest diameter and usually requires more processing is: A. Fine hair B. Coarse hair C. Medium hair D. Gray hair
B. Coarse hair
Trichoptilosis is the technical term for: A. Split ends B. Hair loss C. Knotted hair D. Beaded hairs
A. Split ends
The major elements that make up hair are, carbon, oxygen, hydrogen, nitrogen and sulfur, often refer to as the: A. COHNS elements B. Dermal foundation C. Amino acids D. Keratins
A. COHNS elements
A weak, physical, cross-link side bond between adjacent polypeptide chains that is broken by changes in pH is a: A. Hydrogen bond B. Carbon bond C. Salt bond D. Sulfur bond
C. Salt bond
