Propeties of hair and scalp
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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 | show 🗑
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| show | A. hair shaft
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| 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 | show 🗑
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| 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 | show 🗑
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| show | D. hair bulb
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| 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 | show 🗑
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| 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 | show 🗑
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| show | C. sebaceous glands
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| The three layers of the hair shaft are the cuticle, cortex and: A. follicle B. bulb C. root D. medulla | show 🗑
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| show | C. cuticle
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| show | D. medulla
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| About 90% of the total weight of hair comes from the: A. cuticle B. medulla C. follicle D. cortex | show 🗑
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| Liquids can penetrate the hair only when the ___ is raised. A. root B. medulla C. cuticle D. cortex | show 🗑
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| show | B. an alkaline pH
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| show | D. cortex
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| As living cells of the hair mature, they fill up with a protein called: A. sebum B. keratin C. melanin D. lanugo | show 🗑
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| show | C. oxygen and sulfur
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| Of the five elements in human hair, the elements that makes up the highest percentage is: A. oxygen B. sulfur C. hydrogen D. carbon | show 🗑
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| The chemical bonds that join amino acids to each other are called: A. peptide bonds B. side bonds C. hydrogen bonds D. salt bonds | show 🗑
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| show | A. side bonds
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| 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 | show 🗑
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| show | D. disulfide bonds
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| A disulfide bond joins the ___ atoms of two neighboring cysteine amino acids to create cystine. A. carbon B. hydrogen C. nitrogen D. sulfur | show 🗑
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| show | C.perms and relaxers
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| 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 | show 🗑
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| 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 | show 🗑
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| show | D. pheomelanin
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| show | C. cortex
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| show | A. wave pattern
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| show | A. oval
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| 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 | show 🗑
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| show | C. length
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| 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 | show 🗑
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| show | A. porosity
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| ___ hair has the largest diameter. A. fine B. coarse C. straight C. gray | show 🗑
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| The hair texture that is most susceptible to damage from chemical services is: A. fine B. medium C. coarse D. curly | show 🗑
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| The number of individual hair strands on 1 square inch of scalp is referred to as: A.density B. texture C. porosity D. coarseness | show 🗑
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| 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 | show 🗑
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| The thickest hair (highest density) is generally found among people with: A. black hair B. blonde hair C. red hair D. brown hair | show 🗑
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| show | C. resistant
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| show | C. overprocessing
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| 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 % | show 🗑
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| show | B. hair stream
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| show | D. inactive sebaceous glands
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| show | A. more abundant on men
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| Hormonal changes during puberty cause some areas of vellus hair to be replaced with: A. lanugo B. terminal hair C. gray hair D. medullas | show 🗑
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| The three phases of hair growth are anagen, catagen, and: A. growth phase B. biogen C. transition D. telogen | show 🗑
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| show | C. catagen phase
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| About ___ of scalp hair is growing in the anagen phase at any one time. A. 90 % B. 10 % C. 1 % D. 50 % | show 🗑
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| show | B. catagen phase
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| show | C. telogen
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| About ___ of the hair is in the resting phase (telogen) at any one time. A. 50 % B. 75 % C. 90 % D. 10 % | show 🗑
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| 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 | show 🗑
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| 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 | show 🗑
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| show | B. normal
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| show | C. alopecia
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| show | C. analyzed
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| By age 35, almos ___ percent of men and woman show some degree of hair loss. A. 40 B. 10 C. 95 D. 25 | show 🗑
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| show | D. male pattern baldness
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| A miniaturization of terminal hair contributed to: A. canities B. androgenic alopecia C. alopecia areata D. postpartum alopecia | show 🗑
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| 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 | show 🗑
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| show | A. general thinning of crown hair
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| Hair loss at the end of a pregnancy is called: A. alopecia totalis B. postpartum alopecia C. alopecia areata D. androgenic alopecia | show 🗑
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| show | D. minoxidil
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| Of the two products proven to stimulate hair growth, the oral prescription drug is called: A. alum B. minozidil C. sodium hypochlorite D. finasteride | show 🗑
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| 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 | show 🗑
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| show | B. surgical treatment
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| show | C. surgeons
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| show | C. canities
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| 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 | show 🗑
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| show | C. acquiried canities
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| Ringed hair is a variety of: A. tinea capitis B. canities C. alopecia D. hypertrichosis | show 🗑
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| The technical term for beaded hair is: A. hypertrichosis B. pityriasis C. trichoptilosis D. monilethrix | show 🗑
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| The technical term for split ends is: A. trichoptilosis B. canities C. tinea D. fragilitas crinium | show 🗑
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| show | D. hypertrichosis
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| show | D. trichorrhexis nodosa (trik-uh-REK-sis nuh-DOH-soh)
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| show | C. hypertrichosis
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| 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 | show 🗑
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| Dry dandruff, thin scales, and an itchy scalp are typical of: A. tinea capitis B. pityriasis capitis simplex C. pediculosis capitis D. pityriasis steatoides | show 🗑
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| Pityriasis steatoides is a scalp inflammation marked by: A. dry dandruff B. greasy or waxy dandruff C. red papules D. sulfur-yellow, cuplike crusts | show 🗑
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| show | A. referred to a physician
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| Tinea, or ringworm, is caused by: A. staphylococci B. vegetable parasites C. head lice D. itch mites | show 🗑
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| show | B. tinea capitis
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| show | B. tinea favosa
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| show | B. scabies
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| Pediculosis capitis is the infestation of the hair and scalp with: A. fleas B. itch mites C. head lice D. fungi | show 🗑
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| show | C. a furuncle
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| An inflammation of the subcutaneous tissue caused by staphylococci is called: A. trichoptilosis B. dry dandruff C. pediculosis capitis D. a carbuncle | show 🗑
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| Preventing the spread of tinea, pityriasis and staphylococci infections involves proper: A. sanitation and disinfection B. medications C. inoculation (vaccination) D. sterilization | show 🗑
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