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Chapter 7 - Trichology
Terms in this set (80)
What is NOT one of the main purposes of hair?
The technical term for the study of hair:
When looking through a microscope, which portion of the hair would display living cells?
Hair grows from a tube-like "pocket" called a root sheath or a:
The diameter of a hair fiber will be the same as:
the inside diameter of the hair follicle
What is the natural flow of hair determined by?
the angle of the follicle
The two primary parts of hair are the hair fiber and the:
What is the portion of hair that extends above the skin's surface?
Which of the following resembles the shape of a golf club and covers the follicle at the lower portion of the hair root?
Located at the bottom of the follicle and supplying the nourishment to the germinal matrix is the:
The three major layers of the hair are the medulla, cortex, and which other?
The pigment that gives hair its color is found primarily in the:
The layer of hair consisting of unique protein structures that give the hair most of its pigment and strength (elasticity) is called the:
The outer covering of the hair shaft made up of overlapping layers of transparent scales is called the:
Hair that has been pulled out from the roots can grow back under which circumstances?
the papilla has not been destroyed
Oil glands are attached to the side of the:
root sheath or follicle
The central core of the hair shaft sometimes is missing in fine or very fine hair is called the:
Which of the following items helps protect the hair and skin from becoming too dry?
What is formed when sebum produced by the oil glands mixes with the body's perspiration?
The muscle that causes the hair to stand on end when a person is scared or cold is known as the:
Hair is made up primarily of:
Which of the following is known as the active growing stage of hair?
The active growing stage of hair lasts from:
2 to 6 years
Catagen, a brief transitional phase, lasts for what amount of time?
only a few weeks
The hair growth stage when all cell division stops is the:
The resting stage of hair growth when the hair bulb has no attached root sheath is referred to as the:
Human hair, on the average, grows about:
1/2" (1.25 cm) per month
The lips, soles of the feet, palms of the hands and eyelids do not have:
Cilia is the technical term for:
The cross-section, or diameter, of the hair shaft is much larger in coarse hair than in:
Which of the following is the hard, resistant layer of protein that protects the hair shaft?
The large variety of hair color is influenced by the amount, size, type, and distribution of:
eumelanin and pheomelanin
Which is the lack of pigmentation in the hair and skin called?
Gray hair is caused by a(n):
reduced color pigment in the cortex
The process of hair turning gray is usually caused by:
the natural aging process
The degree of coarseness or fineness of the hair fiber is referred to as:
The number of active follicles per square inch on the scalp refers to:
The ability of the hair to absorb moisture, liquids and chemicals is known as:
If the layers of the cuticle are very close together the hair has which type of porosity?
Extreme porosity describes hair that has been damaged by the environment or:
Which of the following refers to the ability of hair to stretch and return to its original shape without breaking?
Wet hair is able to be stretched to what percent of its length?
40 % to 50%
Small cracks starting in the cuticle and splitting the hair entirely are known as brittle hair, fragilitis crinium or:
Lumps or swelling along the hair shaft is known as trichorrhexis nodosa or:
Which of the following is a condition in which alternating bands of gray or dark hair exist?
An abnormal coverage of hair on areas of the body where normally only lanugo, or baby-fine hair appears is a condition known as:
Removal methods for hypertrichosis range from tweezing to electrolysis, depending on all of the following factors EXCEPT:
A condition in which beads or nodes form on the hair shaft is called:
A disorder that refers to a chronic scalp condition with excessive flaking, which accumulates on the scalp or falls to the shoulders, is known as dandruff or:
A disorder that refers to thick, crusty patches of red irritated scalp is known as:
The medical term for greasy or waxy dandruff is:
A red, circular patch of small blisters caused by a vegetable parasite is also known as tinea or:
An infestation of head lice on the scalp is called:
How should a cosmetologist handle a situation when areas of enlarged open follicles surrounded by clusters of red spots, indicating tine capitis are observed?
refer the client to a physician
What scalp disease might be present if prior to a service several dry, yellow, encrusted areas on the scalp are noticed along with a peculiar odor?
Red, watery vesicles or pus-filled areas caused by an itch mite burrowing under the skin are known as:
Which hair color generally has the highest number of hairs per square inch on the head?
Long, thick pigmented hair such as scalp and eyebrow hair is referred to as:
Hair follicles that are predetermined to produce short, fine, non pigmented hair that cover most of the body are called:
Short, fine, non pigmented hair is replaced with terminal hair around the time of:
What is the average amount of daily hair loss?
40 to 100 strands
Alopecia, or excessive hair loss, may be caused by fungal infection, bacterial infection, inflammatory disease, but NOT:
The most common form of hair loss in both men and women is:
In adrogenetic alopecia, a combination of heredity, hormones, and age causes:
shrinking or miniaturization of follicles
Which procedural step is generally used to determine if hair loss may be identified as androgenetic alopecia?
ask questions about family history
There is a gradual conversion from terminal hair follicles to vellus-like follicles in clients with:
In men, male pattern baldness takes the shape of:
A smaller diameter ponytail on female clients is a sign of:
Various hair loss identification systems identify which of the following?
pattern and density of the hair loss
The normal temporary hair loss occurring at the conclusion of pregnancy is:
Sudden hair loss in round irregular patches without the display of an inflamed scalp is referred to as:
The premature shedding of hair in the resting phase which can be the result of childbirth, shock, drug intake or fever is:
Hair loss caused by excessive pulling or twisting on the hair or by chemical damage is called:
Brushing the hair prior to a shampoo service accomplishes all of the following except:
decreasing blood circulation
Which of the following types of hair is likely to tangle more easily?
chemically treated hair
Scalp massage involves manipulations performed on the scalp to relax the muscles and stimulate:
Avoid giving scalp massages prior to all of the following services EXCEPT:
shampooing healthy hair
For medical and comfort purposes during a shampoo service, it is often recommended that elderly clients:
lean forward into the shampoo bowl
Which of the following steps would occur the latest when performing a wet hair service inclusive of draping, shampooing, and conditioning?
At what point should the condition of the client's hair and scalp be examined when performing a shampoo?
before shampooing the hair
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