Oregon Barber License (practice test for
board exam) Questions and Answers
Graded A+
Cuticle - Correct answer-Outer most layer of the hair. It consists of a single,
overlapping layer of transparent, scale-like cells that resemble shingles on a roof. It
protects the inner cortex layer and contributes to 20% of overall strength of hair.
The Cortex - Correct answer-The middle layer of the hair. A fibrous protein core
formed by elongated cells containing melanin to pigment. Gives hair majority of its
strength and elasticity. A healthy Cortex contributes to %80 to the overall strength
of the hair. Contains melanin that determines hair color.
The Medulla - Correct answer-The innermost layer of hair. Sometimes absent from
hair and doesn't play a role in hair coloring. composed of round cells.
Texture - Correct answer-The diameter of an individual hair.
Density - Correct answer-The number of hairs per square inch.
Porosity - Correct answer-The hairs ability to absorb moisture.
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,Low porosity - Correct answer-The cuticle is tight. The hair is resistant (difficult
for moisture or chemicals to penetrate. Thus, it requires longer processing time.
Average porosity - Correct answer-The cuticle is slightly raised. Hair is normal and
processes in an average amount of time.
High porosity - Correct answer-The cuticle is lifted. The hair is overly porous and
takes color quickly (also fades quickly) Permed, colored, chemically relaxed and
straightened hair will have a high degree of porosity.
Mixed melanin - Correct answer-A combination of natural hair color that contain
both pheomelanin and eumelanin.
Basal cell cercinoma - Correct answer-Most common and least severe type of skin
cancer; often characterized by light or pearly nodules.
Bromhidrosis - Correct answer-Foul-smelling perspiration, usually noticeable in
the armpits and the feet that is caused by Bacteria.
Bulla (plural bullae - Correct answer-Large blister containing a watery fluid;
similar to vesicle but larger.
Chloasma - Correct answer-Aka-Liver Spots; condition characterized by
hyperpigmentation on the skin in spots that are not elevated.
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,Closed Comedo - Correct answer-Aka-White head; hair follicle is closed and not
exposed to the environment. Sebum remains a white or cream color and comedone
appears as a small bump just under the skin surface.
Conjunctivitis - Correct answer-Aka-Pink eye; common bacterial infection of the
eyes. Extremely contagious.
Contact dermatitis - Correct answer-An inflammation of the skin caused by Having
contact with certain chemicals or substances. Many that are used in cosmetology.
Crust - Correct answer-Dead cells form over a wound or blemish while it's healing;
an accumulation of sebum and pus, sometimes mixed with epidermal material.
Cyst - Correct answer-Closed, abnormally developed that contains fluid, pus,
semifluid, or morbid matter above or below the skin.
Hair Root - Correct answer-The part of the hair located below the surface of the
Epidermis.(outer layer of the skin).
Hair Shaft - Correct answer-The portion of hair that projects above the Epidermis.
Dermatitis - Correct answer-Inflammatory condition of the skin.
Hair Follicle - Correct answer-The tube-like depression or pocket in the skin or
scalp that contains the hair root.
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, Hair bulb - Correct answer-The lowest part of the hair strand. The thickened. Club-
shaped structure that forms the lower part if the hair root.
Arrector pili muscle - Correct answer-The small, involuntary muscle in the base of
the hair follicle. (The reason for goose bumps).
Dermal papilla - Correct answer-A small cone-shaped elevation located at the base
of the hair follicle that fits into the hair bulb. (Plural: dermal papillae)
Dyschromias - Correct answer-Abnormal colorations of the skin that accompany
many skin disorders and systemic disorders.
Eczyma - Correct answer-An inflammatory, uncomfortable, and often chronic
disease of the skin characterized by moderate to severe inflammation, scaling and
sometimes severe itching.
Excoriation - Correct answer-Skin sore or abrasion produced by scratching or
scraping.
Extrinsic Factors - Correct answer-Primarily environmental factors that contribute
to aging and the appearance of aging.
Sebaceous glands - Correct answer-Oil glands in the skin and scalp that secrete
sebum .
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board exam) Questions and Answers
Graded A+
Cuticle - Correct answer-Outer most layer of the hair. It consists of a single,
overlapping layer of transparent, scale-like cells that resemble shingles on a roof. It
protects the inner cortex layer and contributes to 20% of overall strength of hair.
The Cortex - Correct answer-The middle layer of the hair. A fibrous protein core
formed by elongated cells containing melanin to pigment. Gives hair majority of its
strength and elasticity. A healthy Cortex contributes to %80 to the overall strength
of the hair. Contains melanin that determines hair color.
The Medulla - Correct answer-The innermost layer of hair. Sometimes absent from
hair and doesn't play a role in hair coloring. composed of round cells.
Texture - Correct answer-The diameter of an individual hair.
Density - Correct answer-The number of hairs per square inch.
Porosity - Correct answer-The hairs ability to absorb moisture.
©COPYRIGHT 2025, ALL RIGHTS RESERVED 1
,Low porosity - Correct answer-The cuticle is tight. The hair is resistant (difficult
for moisture or chemicals to penetrate. Thus, it requires longer processing time.
Average porosity - Correct answer-The cuticle is slightly raised. Hair is normal and
processes in an average amount of time.
High porosity - Correct answer-The cuticle is lifted. The hair is overly porous and
takes color quickly (also fades quickly) Permed, colored, chemically relaxed and
straightened hair will have a high degree of porosity.
Mixed melanin - Correct answer-A combination of natural hair color that contain
both pheomelanin and eumelanin.
Basal cell cercinoma - Correct answer-Most common and least severe type of skin
cancer; often characterized by light or pearly nodules.
Bromhidrosis - Correct answer-Foul-smelling perspiration, usually noticeable in
the armpits and the feet that is caused by Bacteria.
Bulla (plural bullae - Correct answer-Large blister containing a watery fluid;
similar to vesicle but larger.
Chloasma - Correct answer-Aka-Liver Spots; condition characterized by
hyperpigmentation on the skin in spots that are not elevated.
©COPYRIGHT 2025, ALL RIGHTS RESERVED 2
,Closed Comedo - Correct answer-Aka-White head; hair follicle is closed and not
exposed to the environment. Sebum remains a white or cream color and comedone
appears as a small bump just under the skin surface.
Conjunctivitis - Correct answer-Aka-Pink eye; common bacterial infection of the
eyes. Extremely contagious.
Contact dermatitis - Correct answer-An inflammation of the skin caused by Having
contact with certain chemicals or substances. Many that are used in cosmetology.
Crust - Correct answer-Dead cells form over a wound or blemish while it's healing;
an accumulation of sebum and pus, sometimes mixed with epidermal material.
Cyst - Correct answer-Closed, abnormally developed that contains fluid, pus,
semifluid, or morbid matter above or below the skin.
Hair Root - Correct answer-The part of the hair located below the surface of the
Epidermis.(outer layer of the skin).
Hair Shaft - Correct answer-The portion of hair that projects above the Epidermis.
Dermatitis - Correct answer-Inflammatory condition of the skin.
Hair Follicle - Correct answer-The tube-like depression or pocket in the skin or
scalp that contains the hair root.
©COPYRIGHT 2025, ALL RIGHTS RESERVED 3
, Hair bulb - Correct answer-The lowest part of the hair strand. The thickened. Club-
shaped structure that forms the lower part if the hair root.
Arrector pili muscle - Correct answer-The small, involuntary muscle in the base of
the hair follicle. (The reason for goose bumps).
Dermal papilla - Correct answer-A small cone-shaped elevation located at the base
of the hair follicle that fits into the hair bulb. (Plural: dermal papillae)
Dyschromias - Correct answer-Abnormal colorations of the skin that accompany
many skin disorders and systemic disorders.
Eczyma - Correct answer-An inflammatory, uncomfortable, and often chronic
disease of the skin characterized by moderate to severe inflammation, scaling and
sometimes severe itching.
Excoriation - Correct answer-Skin sore or abrasion produced by scratching or
scraping.
Extrinsic Factors - Correct answer-Primarily environmental factors that contribute
to aging and the appearance of aging.
Sebaceous glands - Correct answer-Oil glands in the skin and scalp that secrete
sebum .
©COPYRIGHT 2025, ALL RIGHTS RESERVED 4
