Ch 11 Flashcards
The hair, skin, nails, and glands are part of the _____ system.
a. epidermal
b. integumentary
c. endocrine
d. lymphatic
b. integumentary
What structures contain the blood and nerve supply that provide the nutrients needed for hair growth?
a. Sebaceous glands
b. Dermal papillae
c. Hair bulbs
d. Furuncles
b. Dermal papillae
The body naturally produces _____ of the 20 amino acids that make up hair.
a. 3
b. 9
c. 11
d. all
c. 11
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
Which term refers to a layer that protects the hair from penetration and prevents damage to hair fibers?
a. Hair cuticle
b. Cortex
c. Hair follicle
d. Medulla
a. Hair cuticle
The fibrous protein core formed by elongated cells that contains melanin pigment is the _____.
a. cuticle
b. sebum
c. cortex
d. medulla
c. cortex
The changes involved in oxidation haircoloring, wet setting, thermal styling, permanent waving, and
chemical hair relaxing take place within the _____.
a. cuticle
b. cortex
c. medulla
d. dermal papilla
b. cortex
Hair is composed of protein that grows from cells originating within the _____.
a. hair bulb
b. hair follicle
c. dermal papilla
d. medulla layer
b. hair follicle
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
Hair is approximately _____ percent protein.
a. 30
b. 50
c. 70
d. 90
d. 90
A physical side bond that is easily broken by water and heat is a _____ bond.
a. nitrogen
b. hydrogen
c. disulfide
d. sulfur
b. hydrogen
What type of bond is broken by wetting the hair with water and is reformed when the hair dries?
a. Salt bond
b. Hydrogen bond
c. Disulfide bond
d. Peptide bond
b. Hydrogen bond
A weak, physical, cross-link side bond between adjacent polypeptide chains that is broken by changes in pH is a _____ bond. a. hydrogen
b. carbon
c. salt
d. sulfur
c. salt
Permanent waving and hair relaxers change the shape of hair by chemically altering the hair’s _____.
a. hydrogen bonds
b. ionic bonds
c. disulfide bonds
d. amino acids
c. disulfide bonds
Hydroxide chemical relaxers break disulfide bonds and convert them to _____ bonds.
a. lanthionine
b. sulfur
c. carbon
d. hydrogen
a. lanthionine
The pigment that provides brown or black color to hair is _____.
a. ionic
b. eumelanin
c. pheomelanin
d. telogen
b. eumelanin
What pigment in hair provides natural colors ranging from red and ginger to yellow and blond tones?
a. Eumelanin
b. Neuromelanin
c. Pheomelanin
d. Keratin
c. Pheomelanin
What term refers to the shape of the hair strand?
a. Whorl
b. Cowlick
c. Hair stream
d. Wave pattern
d. Wave pattern
What is the cross-section shape of curly hair?
a. Hexagonal
b. Round
c. Rectangular
d. Oval
d. Oval
What is the resting phase or final phase of the hair cycle that lasts until the fully grown hair is shed?
a. Telogen phase
b. Anagen phase
c. Catagen phase
d. Transition phase
a. Telogen phase
The sudden falling out of hair in round patches or baldness in spots is known as _____.
a. postpartum alopecia
b. androgenic alopecia
c. alopecia totalis
d. alopecia areata
d. alopecia areata
The complete loss of all body hair is known as _____.
a. alopecia universalis
b. alopecia totalis
c. alopecia areata
d. androgenic alopecia
a. alopecia universalis
What is a condition that is characterized by brittleness and the formation of nodular swellings along the hair shaft? a. Fragilitas crinium b. Trichorrhexis nodosa c. Alopecia areata d. Hypertrichosis
b. Trichorrhexis nodosa
What is the technical term for beaded hair?
a. Canities
b. Hyperkeratosis
c. Trichinosis
d. Monilethrix
d. Monilethrix
What is the medical term used to describe dandruff?
a. Alopecia
b. Selenium
c. Pityriasis
d. Pyrithione
c. Pityriasis
Current research confirms that dandruff is the result of a fungus called _____.
a. pyrithione
b. steatoides
c. capitis
d. malassezia
d. malassezia
What is a severe type of dandruff characterized by an accumulation of greasy or waxy scalp scales mixed with sebum? a. Pityriasis capitis b. Tinea favosa c. Pityriasis papules d. Pityriasis steatoides
d. Pityriasis steatoides
What severe form of dandruff is accompanied by redness and inflammation?
a. Pityriasis capitis simplex
b. Pityriasis steatoides
c. Seborrheic dermatitis
d. Folliculitis
c. Seborrheic dermatitis
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
What term refers to an acute, localized bacterial infection of the hair follicle that produces constant pain? a. Alopecia b. Furuncle c. Capitis d. Tinea
b. Furuncle
Chemical services performed on hair with low porosity require a _____ solution.
a. less alkaline
b. more acidic
c. neutral
d. more alkaline
d. more alkaline
Hair flowing in the same direction, as the result of follicles sloping in the same direction, is known as a _____.
a. section
b. hair stream
c. hair whorl
d. cowlick
b. hair stream
