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Ch. 7 - Trichology

Terms in this set (85)

The technical name for the study of hair is:
Trichology
Which of the following items is alive?
Hair bulb
The cluster of cells in the epidermis from which the hair follicle forms is called the:
Primitive hair germ
The root sheath of hair is typically oval or round in:
Wavy or straight hair
What item needs nourishment to grow into a fully developed hair follicle?
Primitive hair germ
Which of the following functions is NOT one of the main purposes of hair?
Support
Which item produces oil and sends it up through the hair follicles to the surface of the skin?
Sebaceous gland
Which section of the hair structure is the area where mitosis takes place?
Germinal matrix
The outer covering of the hair fiber is called the:
Cuticle
What does sebum mix with to form the acid mantle?
Perspiration
What layer of the hair fiber gives hair its pigment and elasticity?
Cortex
Which layer of hair may be absent in fine or very fine hair?
Medulla
The helix or coil shape of what part of the hair follicle gives hair the ability to stretch?
Cortex
Hair falls out during which stage of growth?
Telogen
On the average, what stage of hair growth lasts from two to six years?
Anagen
Which of these factors does NOT affect hair growth?
Frequent exercise
Which of these factors does NOT influence the behavior of hair?
Temperature outside
The structural organization of the hair can be affected by all of the following factors EXCEPT:
Shears
How is the protein in the cuticle different than the protein in the cortex?
Harder
Which of the following statements describes fine hair?
May be up to 40% cuticle
Where is melanin produced?
Melanocytes
Melanin in brown/black hair is called:
Eumelanin
The amount and type of melanin produced is determined by:
Genes
People with lighter-colored hair have melanin in the:
Cortex only
A high concentration of pheomelanin will result in:
Red hair
The degree of coarseness or fineness of the hair fibers is referred to as:
Texture
What condition is determined by the number of active hair follicles per square inch of scalp?
Density
The ability of the hair to absorb moisture, liquids or chemicals is known as:
Porosity
The ability of hair to stretch and return to its original shape without breaking is called:
Elasticity
Which type of porosity describes hair that is able to absorb the least amount of moisture, usually due to the closeness of the cuticle layers?
Resistant
Hair damaged due to chemical services or environment is said to have:
Extreme porosity
Normal dry hair is capable of being stretched to what fraction of its length?
One-fifth
Wet hair is able to be stretched to what percent of its length?
40% to 50%
Split hair ends start as cracks in the:
Cuticle
Fragility's crinium is the technical name for:
Split ends
An abraded cuticle can result from all of the following actions EXCEPT:
Shampooing
A term applied to matting of the hair is:
Pilica polonica
This hair condition may be caused by an inherited defect in the hair's keratin protein structure:
Trichorrhexis nodosa
Grayness or whiteness of hair is called:
Canities
An abnormal coverage of hair on areas of the body where normally only lanugo or baby fine hair appears is a condition known as:
Hypertrichosis
A condition in which beads or nodes form on the hair shaft is called:
Monilethrix
A condition in which alternating bands of gray and dark hair exist is called:
Ringed hair
Removal methods used for hypertrichosifs range from tweezing to electrolysis, depending on all of the following factors EXCEPT:
Cosmetologist's preference
The average head contains how many strands of hair per square inch of surface?
1,000
People with what color of hair, on the average, have the fewest hair strands?
Red
People with what color of hair, on the average, have the most hair strands?
Blond
The medical term for head lice is:
Pediculosis capitis
The medical term for a chronic scalp condition with excess flaking, which accumulates on the scalp or falls to the shoulders is a disorder known as:
Pityriasis
The medical term for greasy or waxy dandruff is:
Pityriasis steatoides
What is the term applied to the baby fine hair that is shed shortly after birth?
Lanugo
The term used for excessive hair loss is known as:
Alopecia
The average daily hair loss is:
40 to 100 strands
Long, thick, pigmented hair like scalp and eyebrow hair is referred to as:
Terminal
The most common form of hair loss in both men and women is:
Androgenetic alopecia
In androgenetic alopecia, a combination of heredity, hormones and age causes:
The shrinking of scalp follicles
Alopecia, or excessive hair loss, may be caused by any one of the following EXCEPT:
Parasitic organism
Hair loss identification systems identity the:
Pattern and density of the client's hair
Hair loss caused by excessive stretching is called:
Traction alopecia
Products claiming hair regrowth or hair loss prevention cannot be marketed without what agency's review and approval?
FDA
Sudden hair loss in round or irregular patches without the display of an inflamed scalp is referred to as:
Alopecia areata
Which term is a temporary hair loss that occurs only in women?
Postpartum alopecia
The premature shedding of hair in the resting phase is:
Telogen effluvium
Cleansing the scalp and hair by removing dirt, oils and product build-up is the purpose of:
Shampooing
What should be done if a client has an infectious disease or disorder of the scalp?
Refuse the service and refer the client to a physician
Which term describes the scientific method of manipulating the body by rubbing, pinching, tapping, kneading or stroking with the hands , fingers or an instrument?
Massage
When dealing with a client, a professional cosmetologist is responsible for all of the following items EXCEPT:
Transportation
Which of the following statements is NOT true about draping?
Performed after shampooing is complete
What type of cape is generally used for shampooing, wet haircutting, wet styling or chemical services?
Plastic or waterproof cape
Many regulating agencies require all of the following steps EXCEPT:
Shampoo prior to draping
What kind of shampoo will make hair dry and brittle?
Shampoos with a high pH
Which type of water contains minerals and does not allow shampoo to lather freely?
Hard
Brushing the hair prior to a shampoo service accomplishes all of the following EXCEPT:
Decreasing blood circulation
Which of the following statements is true of removing tangles from the hair?
Start at the lowest point of the tangled area
Scalp massage involves manipulations performed on the scalp to relax the muscles and stimulate:
Blood circulation
What kind of massage uses light, gliding strokes or circular motions made with the palms of the hands or pads of the fingertips?
Effleurage
What kind of massage uses heavy kneading and rolling of the muscles?
Petrissage
Light tapping or slapping massage movements are known as:
Tapotement
The most important scalp massage manipulation that stimulates the sebaceous glands is known as:
Petrissage
What type of shampoos cleanse the hair without correcting any special conditions?
All-purpose
What type of shampoos are used to remove residue such as product build-up?
Clarifying
What type of shampoos are especially good for cleansing lightened, color-treated or dry, brittle hair?
Acid-balanced
What type of rinse is used after a color service to prevent the color from fading?
Acid-balanced
What type of conditioner helps close the cuticle after an alkaline chemical service?
Normalizing
Avoid giving a scalp massage prior to all of the following services EXCEPT:
Shampooing healthy hair
What term is used to describe the combination of the sense of smell and the use of plant extracts and their healing abilities?
Aromatherapy
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