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Senior Cosmetology License > Trichology > Flashcards

Trichology Flashcards

1
Q

The technical term for the study of hair is called…

A

Trichology

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2
Q

What are the main purposes of hair?

A

Adornment and protection from heat, cold and injury

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3
Q

Hair grows from a tube-like “pocket” called a tooth sheath or a…

A

Follicle

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4
Q

The diameter of a hair fiber will be the same as…

A

The inside diameter of the hair follicle

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5
Q

What is the natural flow or wave pattern of hair determined by?

A

The angle of the follicle

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6
Q

The two primary parts of hair are the hair fiber and the…

A

Hair root

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7
Q

The papilla supplies nourishment to the…

A

Germinal matrix

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8
Q

What term identifies the outer covering of the hair shaft made up of overlapping layers of transparent scales?

A

Cuticle

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9
Q

The layer of hair consisting of unique protein structures that give the hair most of its pigment and strength (elasticity) is called the…

A

Cortex (the second layer of hair)

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10
Q

The central core of the hair shaft sometimes missing in fine or very fine hair is the…

A

Medulla

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11
Q

What helps protect the hair and skin from becoming too dry?

A

Sebum

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12
Q

What is formed when sebum produced by the oil glands mixes with the body’s perspiration?

A

Acid mantle

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13
Q

The muscle that causes the hair to stand on end when a person is scared or cold is known as the…

A

Arrector pili

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14
Q

Hair that has been pulled out from the roots can grow back under which circumstance?

A

The papilla has not been destroyed

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15
Q

What is known as the active growing stage of hair?

A

Anagen stage

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16
Q

The active growing stage of hair lasts from…

A

2 to 6 years

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17
Q

Catagen, a brief transitional stage of hair growth, lasts for what amount of time?

A

Only a few weeks

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18
Q

The hair growth stage when all cell division stops is the…

A

Catagen stage

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19
Q

The resting stage of hair growth when the hair bulb has no attached root sheath is referred to as the…

A

Telogen stage

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20
Q

Human hair, on the average, grows about…

A

1/2 inch (1.25 cm) per month

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21
Q

The lips, soles of the feet, palms of the hands and eyelids do not have…

A

Hair

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22
Q

Cilia is the technical term for…

A

Eyelash hair

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23
Q

The cross-section, or diameter, of the hair shaft is much larger in coarse hair than…

A

Fine hair

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24
Q

The hard, resistant layer of protein that protects the hair shaft is the…

A

Cuticle

25
Q

Hair color is influenced by the amount, size and distribution of…

A

Eumelanin and pheomelanin

26
Q

Gray hair is caused by…

A

Reduced color pigment in the cortex layer of the hair

27
Q

The process of hair turning gray is most commonly caused by…

A

The natural aging process

28
Q

The degree of coarseness or fineness of the hair fiber is referred to as…

A

Texture

29
Q

The number of active hair follicles per square inch of the scalp refers to…

A

Density

30
Q

The ability of the hair to absorb moisture, liquids or chemicals is known as…

A

Porosity

31
Q

If the layers of the cuticle are very close together, the hair has which type of porosity?

A

Resistant

32
Q

Extreme porosity describes hair that has been damaged by the environment or…

A

Overprocessed

33
Q

What refers to the ability of hair to stretch and return to its original shape without breaking?

A

Elasticity

34
Q

Wet hair is able to be stretched to what percent of its length?

A

40% to 50%

35
Q

Small cracks starting in the cuticle and splitting the hair entirely are known as brittle hair, fragilitis crinium or…

A

Trichoptilosis

36
Q

Lumps or swelling along the hair shaft is known as trichorrhexis nodosa or…

A

Knotted hair

37
Q

A condition in which beads or nodes form on the hair shaft is called…

A

Monilethrix

38
Q

What condition results in a situation in which alternating bands of gray and dark hair exist?

A

Ringed hair

39
Q

An abnormal coverage of hair on areas of the body where normally only lanugo, or baby-fine hair appears, is a condition known as…

A

Hypertrichosis

40
Q

A disorder that refers to thick, crusty patches of red irritated scalp is known as…

A

Psoriasis

41
Q

A disorder that refers to a chronic scalp condition with excessive flaking, which accumulates on the scalp or falls to the shoulders, is called dandruff or…

A

Pityriasis

42
Q

The medical term for greasy or why dandruff is…

A

Pityriasis capitis

43
Q

As red, circular patch of small blisters on the skin or scalp caused by a vegetable parasite is known as tinea or…

A

Ringworm

44
Q

How should a cosmetologist handle a situation where areas of enlarged open follicles surrounded by clusters of red spots, indicating tinea capitis are observed?

A

Refer the client to a physician

45
Q

Red, watery vesicles or pus-filled areas caused by an itch mite burrowing under the skin are known as…

A

Scabies

46
Q

An infestation of head lice on the scalp is called…

A

Pediculosis capitis

47
Q

Short, fine, non-pigmented hair is replaced with terminal hair around the time of…

A

Puberty

48
Q

What is the average amount of daily hair loss?

A

40 to 100 strands

49
Q

Which hair color generally has the highest number of hairs per square inch on the head?

A

Blond

50
Q

The most common form of hair loss in both men and women is…

A

Androgenetic alopecia

51
Q

Male pattern baldness takes the shape of…

A

Horseshoe-shaped fringe

52
Q

In the diameter of a female client’s ponytail has become smaller over time, it could indicate…

A

Androgenetic alopecia

53
Q

Sudden hair loss in round or irregular patches without the display of an inflamed scalp is referred to as…

A

Alopecia areata

54
Q

What is the hair loss cause by excessive pulling or twisting on the hair or by chemical damage?

A

Traction

55
Q

What does brushing the hair prior to a shampoo service do?

A

Removes dust and dirt, tangles and stimulates blood circulation

56
Q

For medical and comfort purposes during a shampoo service, is it often recommended that elderly clients…

A

Lean forward into the shampoo bowl

57
Q

Scalp massage involves movements performed on the scalp to relax the muscles and increase…

A

Blood circulation

58
Q

What type of hair is likely to tangle more easily?

A

Chemically treated hair

59
Q

What step would occur last when performing a wet hair service inclusive of draping, shampooing and conditioning?

A

Applying sham

Senior Cosmetology License (17 decks)

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