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Gray hair is caused by a(n):
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Alopecia, or excessive hair loss, may be caused by any one of the following EXCEPT:
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Trichologytest3
| Question | Answer |
|---|---|
| Gray hair is caused by a(n): | reduced color pigment in the cortex layer of the hair |
| Alopecia, or excessive hair loss, may be caused by any one of the following EXCEPT: | parasitic organism |
| The most common form of hair loss in both men and women: | androgenic alopecia |
| Catagen, a breif transitional phase, lasts for what amount of time? | Only a few weeks |
| The two primary parts of hair are the hair fiber and the: | follicle |
| Which of the following is NOT one of the main purposes of hair? | support |
| At what point should the condition of the clients hair and scalp and be examined when performing a shampoo? | before shampooing the hair |
| Which of the following is the hard, resistant layer of protein that protects the hair shaft? | Cuticle |
| What determines the natural flow of hair? | The angle of the follicle |
| In androgenteic alopecia a combination of heredity,hormones and age causes: | shrinking or miniaturization of follicles |
| Hair loss caused by excessive pulling or twisting on the hair or by chemical damage is called: | traumatic alopecia |
| The medical term for greasy or waxy dandruff is: | pityriasis steatoides |
| When looking through a microscope, which portion of the hair would display living cells? | hair bulb |
| What is the portion of hair that extends above the skins surface? | Hair fiber |
| A condition in which beads or nodes form on the hair shaft is called: | monilethrix |
| The amount of moisture, liquid or chemicals able to be absorbed by hair is its: | porositytelogen |
| The premature shedding of hair in the resting phase, which can be the result of childbirth, shock, drug intake or fever is: | telogen effluvium |
| The hair growth stage when all cell division stops is the: | catagen stage |
| For medical and comfort purposes during a shampoo service, it is often recommened that elderly clients: | lean forward into the shampoo bowl |
| Long, thick pigmented hair such as scalp and eyebrow hair is referred to as: | terminal |
| What scalp disease might be present if prior to a service several dry, yellow, encrusted areas on the scalp are notices along with a peculiar odor: | tinea favosa |
| Hair that has been pulled out from the roots can grow back under which of the following circumstnaces: | the papilla has not been destroyed |
| Small cracks starting in the cuticle and splitting the hair entirely are known as brittle hair, fragilitis crinium or: | trichoptilosis |
| A chronic scalp condition with excessive falking that accumulates on the scalp or falls to the shoulders is known as dandruff or: | pityriasis |
| The layer of hair consisting of unique protein structures that gives hair most of its pigment and elasticity is called the: | cortex |
| The large variety of hair color is influenced by the amount of distribution of: | eumelanin and pheomelanin |
| Lumps or swelling along the hair shaft is known as trichorrhexis nodosa or: | knotted hair |
| A smaller diameter ponytail on female clients is a sign of: | androgentic alopecia |
| An infestation of head lice on the scalp is called: | pediculosis capitis |
| The three major layers of the ahir are the medula, cortex, and which of the following? | Cuticle |
| Hair grows from a tube-like "pocket" called a root sheath or a: | follicle |
| If the layers of the cuticle are very close together, the hair has which type of porosity? | resistant |
| There is a gradual conversion from terminal hair follicles to vellus-like follicles in clients with: | androgenetic alopecia |
| Which of the following is known as the active growing stage of hair? | anagen stage |
| The degree of coarseness or fineness of the hair fiber is reffered to as: | texture |
| Which of the following resembles the shape of a golf club and covers the follicle at the lower portion of the hair root? | bulb |
| The pigment that gives hair its color is found primarily in the: | cortex |
| The resting stage of hair growth when the hair bulb has no attached root sheath is reffered to as the: | telogen stage |
| Various hair loss identification systems identify which of the following? | pattern and density of the hair loss |
| The muscle that causes the hair to stand on end when a person is scared or cold is known as the: | arrecto pili |
| The outer covering of the hair shaft made up of overlapping layers of transparent scales is called the | cuticle |
| Located at the bottom of the follicle and supplying nourishment to the germinal matrix is the: | papilla |
| Dry flakes attached to the scalp or on the hair, which can appear translcent are called: | pityriasis capitis simplex |
| Which of the following items helps protect the hair and skin from becoming to dry? | sebum |
| The diameter of a hair fiber will be the same as: | the inside diameter of the hair follicle |
| The central core of the hair shaft sometimes missing in fine or very fine hair is called the: | medulla |
| What is formed when sebum produced by the oil glands mixes with the bodys perspiration? | acid mantle |
| The follicle in straight or wavy hair has flattened, elliptical shape: | false |
| The scalp massage can be performed after applying conditon the the hair: | false |
| Pheomelanin is the type of melanin that produces brown/black hair color: | false |
| Effeurage is a highly stimulatin massage movement that involves shaking your fingers vigorously as you touch your client: | false |
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