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Hair and scalp
Propeties of hair and scalp
Question | Answer |
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The scientific study of the hair, its diseases, and its care is called: A. dermatology B. biology C. trichology D. hairology | C. trichology |
The two main divisions of the hair are the hair root and the: A. hair shaft B. dermal papilla C. bulb D. follicle | A. hair shaft |
The three main structures associated with the hair root are the follicle, the bulb, and the: A. cuticle B. medulla C. hair stream D. dermal papilla | D. dermal papilla |
The hair root is contained in a tube-like depression, or pocket, in the skin known as the: A. arrector pili B. hair bulb C. follicle D. sweat pore | C. follicle |
The club-shaped structure that forms the lower part of the hair root is the: A. hair shaft B. dermal papilla C. arrector pili D. hair bulb | D. hair bulb |
The blood and nerve supply that provides nutrients needed for hair growth are contained in the: A. arrector pili B. dermal papilla C. sebaceous glands D. hair shaft | B. dermal papilla |
The tiny involuntary muscle in the skin that contracts and causes "goose bumps" is the: A. orbicularis oculi B. dermal papilla C. medulla D. arrector pili | D. arrector pili |
The oily substance called sebum is secreted by the: A. sudoriferous glands B. arrector pili C. sebaceous glands D. dermal papilla | C. sebaceous glands |
The three layers of the hair shaft are the cuticle, cortex and: A. follicle B. bulb C. root D. medulla | D. medulla |
The layer of the hair shaft that protects it from penetration and damage is the: A. cortex B. follicle C. cuticle D. medulla | C. cuticle |
Generally, only thick, coarse hair contains a: A. dermal papilla B. cortex C. cuticle D. medulla | D. medulla |
About 90% of the total weight of hair comes from the: A. cuticle B. medulla C. follicle D. cortex | D. cortex |
Liquids can penetrate the hair only when the ___ is raised. A. root B. medulla C. cuticle D. cortex | C. cuticle |
In order to penetrate the cuticle layer and reach the cortex, oxidation haircolors, perm solutions, and chemical relaxers must have: A. no pH B. an alkaline pH C. an acidic pH D. a neutral pH | B. an alkaline pH |
The changes that take place in the hair during permanent waving, chemical relaxing and oxidation haircoloring occur in the: A. medulla B. roots C. cuticle D. cortex | D. cortex |
As living cells of the hair mature, they fill up with a protein called: A. sebum B. keratin C. melanin D. lanugo | B. keratin |
The elements that make up the amino acids in hair are carbon, nitrogen, hydrogen,: A. sulfur and chlorine B. copper and oxygen C. oxygen and sulfur D. oxygen and sodium | C. oxygen and sulfur |
Of the five elements in human hair, the elements that makes up the highest percentage is: A. oxygen B. sulfur C. hydrogen D. carbon | C. hydrogen |
The chemical bonds that join amino acids to each other are called: A. peptide bonds B. side bonds C. hydrogen bonds D. salt bonds | A. peptide bonds |
The bonds that account for the strength and elasticity of hair are the: A. side bonds B. peptide bonds C. polypeptide chains D. end bonds | A. side bonds |
There are three different types of side bonds in the cortex: A. polypeptide, hydrogen, and salt bonds B. salt, hydrogen, and peptide bonds C. hydrogen, salt and disulfide bonds D. disulfide, bisulfide and salt bonds | C. hydrogen, salt and disulfide bonds |
The strongest side bonds in the cortes are the: A. hydrogen bonds B. peptide bonds C. salt bonds D. disulfide bonds | D. disulfide bonds |
A disulfide bond joins the ___ atoms of two neighboring cysteine amino acids to create cystine. A. carbon B. hydrogen C. nitrogen D. sulfur | D. sulfur |
Disulfide bonds can be broken by: A. shampoo B. heat C.perms and relaxers D. water | C.perms and relaxers |
A hydrogen bond is a physical side bond that is easily broken by: A. changes in pH B. permanent waves C. water or heat D. chemical relaxers | C. water or heat |
All natural hair color is based on the ratio of: A. eumelanin to melanin B. eumelanin to pheomelanin C. melanin to aniline D. keratin to melanin | B. eumelanin to pheomelanin |
The pigment that provides natural hair color from red and ginger to yellow/blonde is: A. eumelanin B. red melanin C. melanin D. pheomelanin | D. pheomelanin |
All natural hair color is the result of the pigment located within the: A. cuticle B. pith C. cortex D. medulla | C. cortex |
The amount of movement in the hair strand is referred to as its: A. wave pattern B. density C. texture D. porosity | A. wave pattern |
A cross-section of a wavy hair strand is usually: A. oval B. shapless C. triangular D. round | A. oval |
Extremely curly hair that forms coils usually: A. is very elastic B. has a coarse texture C. is very strong D. has a fine texture | D. has a fine texture |
The four most important factors to consider in a hair analysis include all the following except: A. elasticity B. porosity C. length D. texture | C. length |
Hair texture is defined as the hair's: A. ability to absorb moisture B. degree of straightness or curliness C. ability to stretch D. diameter | D. diameter |
The hair's ability to absorb moisture is its: A. porosity B. texture C. elasticity D. density | A. porosity |
___ hair has the largest diameter. A. fine B. coarse C. straight C. gray | B. coarse |
The hair texture that is most susceptible to damage from chemical services is: A. fine B. medium C. coarse D. curly | A. fine |
The number of individual hair strands on 1 square inch of scalp is referred to as: A.density B. texture C. porosity D. coarseness | A.density |
The number of hairs on the head generally varies with the: A. percentage of gray B. texture of the hair C. color of the hair D. person's ethnic background | C. color of the hair |
The thickest hair (highest density) is generally found among people with: A. black hair B. blonde hair C. red hair D. brown hair | B. blonde hair |
Hair with low porosity is considered: A. normal B. overly porous C. resistant D. ideal | C. resistant |
Hair with high porosity is generally the result of: A. brushing hair before shampooing B. strand testing C. overprocessing D. conditioning treatments | C. overprocessing |
Wet hair with normal elasticity will stretch up to ___ of its original length and return to that same length without breaking A. 10 % B. 100 % C. 50 % D. 25 % | C. 50 % |
Hair flowing in the same direction is called a: A. whorl B. hair stream C. follicle stream D. cowlick | B. hair stream |
Dry hair and scalp are caused by: A. overactive sebaceous glands B. chemical services C.overproduction of sebum D. inactive sebaceous glands | D. inactive sebaceous glands |
All the following characteristics apply to vellus hair except: A. more abundant on men B. found on infants C. lacking a medulla D. not pigmented | A. more abundant on men |
Hormonal changes during puberty cause some areas of vellus hair to be replaced with: A. lanugo B. terminal hair C. gray hair D. medullas | B. terminal hair |
The three phases of hair growth are anagen, catagen, and: A. growth phase B. biogen C. transition D. telogen | D. telogen |
The follicle canal shrinks and detached from the dermal papilla during the: A. telogen phase B. anagen phase C. catagen phase D. final phase | C. catagen phase |
About ___ of scalp hair is growing in the anagen phase at any one time. A. 90 % B. 10 % C. 1 % D. 50 % | A. 90 % |
The phase of hair growth that lasts the shortest time is the: A. telogen phase B. catagen phase C. anagen phase D. dormant phase | B. catagen phase |
The resting phase of the hair growth cycle is known as: A. catagen B. biogen C. telogen D. anagen | C. telogen |
About ___ of the hair is in the resting phase (telogen) at any one time. A. 50 % B. 75 % C. 90 % D. 10 % | D. 10 % |
One common hair myth is: A. keratin is protein B. scalp massage increases hair growth C.the medulla may be absent in fine hair D. hair is shed daily | B. scalp massage increases hair growth |
Gray hair is exactly the same as pigmented hair except that it: A. lacks melanin B. is more resistant C. is coarser D. lacks strength | A. lacks melanin |
A loss of 35 to 40 hairs a day is considered: A. dangerous B. normal C. abnormal D. unusual | B. normal |
Abnormal hair loss is called: A. hypertrichosis B. trichoptilosis C. alopecia D. canities | C. alopecia |
A client's hair must be ___ before any services. A. thoroughly dried B. disinfected C. analyzed D. shampooed | C. analyzed |
By age 35, almos ___ percent of men and woman show some degree of hair loss. A. 40 B. 10 C. 95 D. 25 | A. 40 |
In men, a horseshoe-shaped fringe of hair is referred to as: A. horseshoe baldness B. fringe pattern baldness C. dome baldness D. male pattern baldness | D. male pattern baldness |
A miniaturization of terminal hair contributed to: A. canities B. androgenic alopecia C. alopecia areata D. postpartum alopecia | B. androgenic alopecia |
A type of alopecia characterized by the sudden falling out of hair in round patches or baldness in spots is called: A. androgenic alopecia B. alopecia areata C. postpartum alopecia D. canities | B. alopecia areata |
In woman, androgenic alopecia show up as: A. general thinning of crown hair B. gradual loss of side hair C.receding front hairline D. hair loss over the entire head | A. general thinning of crown hair |
Hair loss at the end of a pregnancy is called: A. alopecia totalis B. postpartum alopecia C. alopecia areata D. androgenic alopecia | B. postpartum alopecia |
A topical medication applied to the scalp that has been proven to stimulate hair growth is: A. alum B. follicidil C. finasteride D. minoxidil | D. minoxidil |
Of the two products proven to stimulate hair growth, the oral prescription drug is called: A. alum B. minozidil C. sodium hypochlorite D. finasteride | D. finasteride |
Finasteride is not perscribed for women because of the strong potential for: A. birth defects B. excessive weight loss C. excessive hair loss D. excessive hair growth | A. birth defects |
Among the various treatments for hair loss, hair plugs are the: A. topical treatment B. surgical treatment C. nonmedical treatment D. oral treatment | B. surgical treatment |
Hair plugs may be transplanted by: A. cosmetologists B. estheticians C. surgeons D. barbers | C. surgeons |
The technical term for gray hair is: A. alopecia B. pityriasis C. canities D. fragilitas crinium | C. canities |
The type of canitied that exists at or before birth is known as: A. common canities B. infant canities C. congenital canities D. acquired canities | C. congenital canities |
The type of canities that developes with age and is the result of genetics is called: A. adult-onset canities B. congenital canities C. acquiried canities D. common canities | C. acquiried canities |
Ringed hair is a variety of: A. tinea capitis B. canities C. alopecia D. hypertrichosis | B. canities |
The technical term for beaded hair is: A. hypertrichosis B. pityriasis C. trichoptilosis D. monilethrix | D. monilethrix |
The technical term for split ends is: A. trichoptilosis B. canities C. tinea D. fragilitas crinium | A. trichoptilosis |
Abnormal growth of hair is called: A. pityriasis B. alopecia C. trichoptilosis D. hypertrichosis | D. hypertrichosis |
A condition characterized by brittleness and nodular swelling along the hair shaft is: A. trichoptilosis (trih-kahp-tih-LOH-sus) B. monilethrix (mah-NIL-ee-thriks) C. tinea capitis (TIN-ee-uh) D. trichorrhexis nodosa (trik-uh-REK-sis nuh-DOH-soh) | D. trichorrhexis nodosa (trik-uh-REK-sis nuh-DOH-soh) |
Wax hair removal, tweezing, shaving, and electrolysis are among the treatments for: A. androgenic alopecia B. pityriasis capitis simplex C. hypertrichosis D. trichorrhexis nodosa | C. hypertrichosis |
The condition in which the hairs may split at any part of their length is called: A. pityriasis B. trichoptilosis C. monilethrix D. fragilitas crinium | D. fragilitas crinium |
Dry dandruff, thin scales, and an itchy scalp are typical of: A. tinea capitis B. pityriasis capitis simplex C. pediculosis capitis D. pityriasis steatoides | B. pityriasis capitis simplex |
Pityriasis steatoides is a scalp inflammation marked by: A. dry dandruff B. greasy or waxy dandruff C. red papules D. sulfur-yellow, cuplike crusts | B. greasy or waxy dandruff |
Clients with tinea capitis should be: A. referred to a physician B. referred to an esthetician C. sanitized and disinfected D. treated in the salon | A. referred to a physician |
Tinea, or ringworm, is caused by: A. staphylococci B. vegetable parasites C. head lice D. itch mites | B. vegetable parasites |
Ringworm of the scalp is also known by the technical term: A. scutula B. tinea capitis C. pediculosis capitis D. tinea pedis | B. tinea capitis |
Dry, sulfur-yellow, cuplike crusts on the scalp, called scutula, are characteristic of: A. tinea capitis B. tinea favosa C. pityriasis steatoides D. pityriasis capitis simplex | B. tinea favosa |
The contagious skin disease caused by the itch mite burrowing under the skin is known as: A. pediculosis capitis B. scabies C. carbuncles D. tinea favosa | B. scabies |
Pediculosis capitis is the infestation of the hair and scalp with: A. fleas B. itch mites C. head lice D. fungi | C. head lice |
A boil is also known as: A.ringworm B. tinea C. a furuncle D. scabies itch | C. a furuncle |
An inflammation of the subcutaneous tissue caused by staphylococci is called: A. trichoptilosis B. dry dandruff C. pediculosis capitis D. a carbuncle | D. a carbuncle |
Preventing the spread of tinea, pityriasis and staphylococci infections involves proper: A. sanitation and disinfection B. medications C. inoculation (vaccination) D. sterilization | A. sanitation and disinfection |