Trichology

Question 1

The technical term for the study of hair is called…

Answer 1

Trichology

Question 2

What are the main purposes of hair?

Answer 2

Adornment and protection from heat, cold and injury

Question 3

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

Answer 3

Follicle

Question 4

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

Answer 4

The inside diameter of the hair follicle

Question 5

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

Answer 5

The angle of the follicle

Question 6

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

Answer 6

Hair root

Question 7

The papilla supplies nourishment to the…

Answer 7

Germinal matrix

Question 8

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

Answer 8

Cuticle

Question 9

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

Answer 9

Cortex (the second layer of hair)

Question 10

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

Answer 10

Medulla

Question 11

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

Answer 11

Sebum

Question 12

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

Answer 12

Acid mantle

Question 13

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

Answer 13

Arrector pili

Question 14

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

Answer 14

The papilla has not been destroyed

Question 15

What is known as the active growing stage of hair?

Answer 15

Anagen stage

Question 16

The active growing stage of hair lasts from…

Answer 16

2 to 6 years

Question 17

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

Answer 17

Only a few weeks

Question 18

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

Answer 18

Catagen stage

Question 19

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

Answer 19

Telogen stage

Question 20

Human hair, on the average, grows about…

Answer 20

1/2 inch (1.25 cm) per month

Question 21

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

Answer 21

Hair

Question 22

Cilia is the technical term for…

Answer 22

Eyelash hair

Question 23

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

Answer 23

Fine hair

Question 24

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

Answer 24

Cuticle

Question 25

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

Answer 25

Eumelanin and pheomelanin

Question 26

Gray hair is caused by…

Answer 26

Reduced color pigment in the cortex layer of the hair

Question 27

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

Answer 27

The natural aging process

Question 28

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

Answer 28

Texture

Question 29

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

Answer 29

Density

Question 30

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

Answer 30

Porosity

Question 31

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

Answer 31

Resistant

Question 32

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

Answer 32

Overprocessed

Question 33

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

Answer 33

Elasticity

Question 34

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

Answer 34

40% to 50%

Question 35

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

Answer 35

Trichoptilosis

Question 36

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

Answer 36

Knotted hair

Question 37

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

Answer 37

Monilethrix

Question 38

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

Answer 38

Ringed hair

Question 39

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

Answer 39

Hypertrichosis

Question 40

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

Answer 40

Psoriasis

Question 41

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…

Answer 41

Pityriasis

Question 42

The medical term for greasy or why dandruff is…

Answer 42

Pityriasis capitis

Question 43

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

Answer 43

Ringworm

Question 44

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

Answer 44

Refer the client to a physician

Question 45

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

Answer 45

Scabies

Question 46

An infestation of head lice on the scalp is called…

Answer 46

Pediculosis capitis

Question 47

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

Answer 47

Puberty

Question 48

What is the average amount of daily hair loss?

Answer 48

40 to 100 strands

Question 49

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

Answer 49

Blond

Question 50

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

Answer 50

Androgenetic alopecia

Question 51

Male pattern baldness takes the shape of…

Answer 51

Horseshoe-shaped fringe

Question 52

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

Answer 52

Androgenetic alopecia

Question 53

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

Answer 53

Alopecia areata

Question 54

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

Answer 54

Traction

Question 55

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

Answer 55

Removes dust and dirt, tangles and stimulates blood circulation

Question 56

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

Answer 56

Lean forward into the shampoo bowl

Question 57

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

Answer 57

Blood circulation

Question 58

What type of hair is likely to tangle more easily?

Answer 58

Chemically treated hair

Question 59

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

Answer 59

Applying sham