Oregon Barber License (practice test for
board exam)
The Medulla - ✔️✔️The innermost layer of hair. Sometimes absent from hair and
doesn't play a role in hair coloring. composed of round cells.
Texture - ✔️✔️The diameter of an individual hair.
Texture - ✔️✔️The diameter of an individual hair.
Density - ✔️✔️The number of hairs per square inch.
Density - ✔️✔️The number of hairs per square inch.
Porosity - ✔️✔️The hairs ability to absorb moisture.
Porosity - ✔️✔️The hairs ability to absorb moisture.
Low porosity - ✔️✔️The cuticle is tight. The hair is resistant (difficult for moisture or
chemicals to penetrate. Thus, it requires longer processing time.
Low porosity - ✔️✔️The cuticle is tight. The hair is resistant (difficult for moisture or
chemicals to penetrate. Thus, it requires longer processing time.
Average porosity - ✔️✔️The cuticle is slightly raised. Hair is normal and processes in
an average amount of time.
Average porosity - ✔️✔️The cuticle is slightly raised. Hair is normal and processes in
an average amount of time.
High porosity - ✔️✔️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.
High porosity - ✔️✔️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 - ✔️✔️A combination of natural hair color that contain both pheomelanin
and eumelanin.
,Mixed melanin - ✔️✔️A combination of natural hair color that contain both pheomelanin
and eumelanin.
Basal cell cercinoma - ✔️✔️Most common and least severe type of skin cancer; often
characterized by light or pearly nodules.
Basal cell cercinoma - ✔️✔️Most common and least severe type of skin cancer; often
characterized by light or pearly nodules.
Bromhidrosis - ✔️✔️Foul-smelling perspiration, usually noticeable in the armpits and
the feet that is caused by Bacteria.
Bromhidrosis - ✔️✔️Foul-smelling perspiration, usually noticeable in the armpits and
the feet that is caused by Bacteria.
Bulla (plural bullae - ✔️✔️Large blister containing a watery fluid; similar to vesicle but
larger.
Bulla (plural bullae - ✔️✔️Large blister containing a watery fluid; similar to vesicle but
larger.
Chloasma - ✔️✔️Aka-Liver Spots; condition characterized by hyperpigmentation on the
skin in spots that are not elevated.
Chloasma - ✔️✔️Aka-Liver Spots; condition characterized by hyperpigmentation on the
skin in spots that are not elevated.
Closed Comedo - ✔️✔️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.
Closed Comedo - ✔️✔️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 - ✔️✔️Aka-Pink eye; common bacterial infection of the eyes. Extremely
contagious.
Conjunctivitis - ✔️✔️Aka-Pink eye; common bacterial infection of the eyes. Extremely
contagious.
Contact dermatitis - ✔️✔️An inflammation of the skin caused by Having contact with
certain chemicals or substances. Many that are used in cosmetology.
,Contact dermatitis - ✔️✔️An inflammation of the skin caused by Having contact with
certain chemicals or substances. Many that are used in cosmetology.
Crust - ✔️✔️Dead cells form over a wound or blemish while it's healing; an
accumulation of sebum and pus, sometimes mixed with epidermal material.
Crust - ✔️✔️Dead cells form over a wound or blemish while it's healing; an
accumulation of sebum and pus, sometimes mixed with epidermal material.
Cyst - ✔️✔️Closed, abnormally developed that contains fluid, pus, semifluid, or morbid
matter above or below the skin.
Cyst - ✔️✔️Closed, abnormally developed that contains fluid, pus, semifluid, or morbid
matter above or below the skin.
Hair Root - ✔️✔️The part of the hair located below the surface of the Epidermis.(outer
layer of the skin).
Hair Root - ✔️✔️The part of the hair located below the surface of the Epidermis.(outer
layer of the skin).
Hair Shaft - ✔️✔️The portion of hair that projects above the Epidermis.
Hair Shaft - ✔️✔️The portion of hair that projects above the Epidermis.
Dermatitis - ✔️✔️Inflammatory condition of the skin.
Dermatitis - ✔️✔️Inflammatory condition of the skin.
Hair Follicle - ✔️✔️The tube-like depression or pocket in the skin or scalp that contains
the hair root.
Hair Follicle - ✔️✔️The tube-like depression or pocket in the skin or scalp that contains
the hair root.
Hair bulb - ✔️✔️The lowest part of the hair strand. The thickened. Club-shaped
structure that forms the lower part if the hair root.
Hair bulb - ✔️✔️The lowest part of the hair strand. The thickened. Club-shaped
structure that forms the lower part if the hair root.
Arrector pili muscle - ✔️✔️The small, involuntary muscle in the base of the hair follicle.
(The reason for goose bumps).
, Arrector pili muscle - ✔️✔️The small, involuntary muscle in the base of the hair follicle.
(The reason for goose bumps).
Dermal papilla - ✔️✔️A small cone-shaped elevation located at the base of the hair
follicle that fits into the hair bulb. (Plural: dermal papillae)
Dermal papilla - ✔️✔️A small cone-shaped elevation located at the base of the hair
follicle that fits into the hair bulb. (Plural: dermal papillae)
Dyschromias - ✔️✔️Abnormal colorations of the skin that accompany many skin
disorders and systemic disorders.
Dyschromias - ✔️✔️Abnormal colorations of the skin that accompany many skin
disorders and systemic disorders.
Eczyma - ✔️✔️An inflammatory, uncomfortable, and often chronic disease of the skin
characterized by moderate to severe inflammation, scaling and sometimes severe
itching.
Eczyma - ✔️✔️An inflammatory, uncomfortable, and often chronic disease of the skin
characterized by moderate to severe inflammation, scaling and sometimes severe
itching.
Excoriation - ✔️✔️Skin sore or abrasion produced by scratching or scraping.
Excoriation - ✔️✔️Skin sore or abrasion produced by scratching or scraping.
Extrinsic Factors - ✔️✔️Primarily environmental factors that contribute to aging and the
appearance of aging.
Extrinsic Factors - ✔️✔️Primarily environmental factors that contribute to aging and the
appearance of aging.
Sebaceous glands - ✔️✔️Oil glands in the skin and scalp that secrete sebum .
Sebaceous glands - ✔️✔️Oil glands in the skin and scalp that secrete sebum .
Keratinization - ✔️✔️Process of creating keratin protein. A non-living fiber.
Keratinization - ✔️✔️Process of creating keratin protein. A non-living fiber.
Fissure - ✔️✔️A crack in the skin that penetrates the dermis. Example severely
cracked hands/lips.
board exam)
The Medulla - ✔️✔️The innermost layer of hair. Sometimes absent from hair and
doesn't play a role in hair coloring. composed of round cells.
Texture - ✔️✔️The diameter of an individual hair.
Texture - ✔️✔️The diameter of an individual hair.
Density - ✔️✔️The number of hairs per square inch.
Density - ✔️✔️The number of hairs per square inch.
Porosity - ✔️✔️The hairs ability to absorb moisture.
Porosity - ✔️✔️The hairs ability to absorb moisture.
Low porosity - ✔️✔️The cuticle is tight. The hair is resistant (difficult for moisture or
chemicals to penetrate. Thus, it requires longer processing time.
Low porosity - ✔️✔️The cuticle is tight. The hair is resistant (difficult for moisture or
chemicals to penetrate. Thus, it requires longer processing time.
Average porosity - ✔️✔️The cuticle is slightly raised. Hair is normal and processes in
an average amount of time.
Average porosity - ✔️✔️The cuticle is slightly raised. Hair is normal and processes in
an average amount of time.
High porosity - ✔️✔️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.
High porosity - ✔️✔️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 - ✔️✔️A combination of natural hair color that contain both pheomelanin
and eumelanin.
,Mixed melanin - ✔️✔️A combination of natural hair color that contain both pheomelanin
and eumelanin.
Basal cell cercinoma - ✔️✔️Most common and least severe type of skin cancer; often
characterized by light or pearly nodules.
Basal cell cercinoma - ✔️✔️Most common and least severe type of skin cancer; often
characterized by light or pearly nodules.
Bromhidrosis - ✔️✔️Foul-smelling perspiration, usually noticeable in the armpits and
the feet that is caused by Bacteria.
Bromhidrosis - ✔️✔️Foul-smelling perspiration, usually noticeable in the armpits and
the feet that is caused by Bacteria.
Bulla (plural bullae - ✔️✔️Large blister containing a watery fluid; similar to vesicle but
larger.
Bulla (plural bullae - ✔️✔️Large blister containing a watery fluid; similar to vesicle but
larger.
Chloasma - ✔️✔️Aka-Liver Spots; condition characterized by hyperpigmentation on the
skin in spots that are not elevated.
Chloasma - ✔️✔️Aka-Liver Spots; condition characterized by hyperpigmentation on the
skin in spots that are not elevated.
Closed Comedo - ✔️✔️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.
Closed Comedo - ✔️✔️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 - ✔️✔️Aka-Pink eye; common bacterial infection of the eyes. Extremely
contagious.
Conjunctivitis - ✔️✔️Aka-Pink eye; common bacterial infection of the eyes. Extremely
contagious.
Contact dermatitis - ✔️✔️An inflammation of the skin caused by Having contact with
certain chemicals or substances. Many that are used in cosmetology.
,Contact dermatitis - ✔️✔️An inflammation of the skin caused by Having contact with
certain chemicals or substances. Many that are used in cosmetology.
Crust - ✔️✔️Dead cells form over a wound or blemish while it's healing; an
accumulation of sebum and pus, sometimes mixed with epidermal material.
Crust - ✔️✔️Dead cells form over a wound or blemish while it's healing; an
accumulation of sebum and pus, sometimes mixed with epidermal material.
Cyst - ✔️✔️Closed, abnormally developed that contains fluid, pus, semifluid, or morbid
matter above or below the skin.
Cyst - ✔️✔️Closed, abnormally developed that contains fluid, pus, semifluid, or morbid
matter above or below the skin.
Hair Root - ✔️✔️The part of the hair located below the surface of the Epidermis.(outer
layer of the skin).
Hair Root - ✔️✔️The part of the hair located below the surface of the Epidermis.(outer
layer of the skin).
Hair Shaft - ✔️✔️The portion of hair that projects above the Epidermis.
Hair Shaft - ✔️✔️The portion of hair that projects above the Epidermis.
Dermatitis - ✔️✔️Inflammatory condition of the skin.
Dermatitis - ✔️✔️Inflammatory condition of the skin.
Hair Follicle - ✔️✔️The tube-like depression or pocket in the skin or scalp that contains
the hair root.
Hair Follicle - ✔️✔️The tube-like depression or pocket in the skin or scalp that contains
the hair root.
Hair bulb - ✔️✔️The lowest part of the hair strand. The thickened. Club-shaped
structure that forms the lower part if the hair root.
Hair bulb - ✔️✔️The lowest part of the hair strand. The thickened. Club-shaped
structure that forms the lower part if the hair root.
Arrector pili muscle - ✔️✔️The small, involuntary muscle in the base of the hair follicle.
(The reason for goose bumps).
, Arrector pili muscle - ✔️✔️The small, involuntary muscle in the base of the hair follicle.
(The reason for goose bumps).
Dermal papilla - ✔️✔️A small cone-shaped elevation located at the base of the hair
follicle that fits into the hair bulb. (Plural: dermal papillae)
Dermal papilla - ✔️✔️A small cone-shaped elevation located at the base of the hair
follicle that fits into the hair bulb. (Plural: dermal papillae)
Dyschromias - ✔️✔️Abnormal colorations of the skin that accompany many skin
disorders and systemic disorders.
Dyschromias - ✔️✔️Abnormal colorations of the skin that accompany many skin
disorders and systemic disorders.
Eczyma - ✔️✔️An inflammatory, uncomfortable, and often chronic disease of the skin
characterized by moderate to severe inflammation, scaling and sometimes severe
itching.
Eczyma - ✔️✔️An inflammatory, uncomfortable, and often chronic disease of the skin
characterized by moderate to severe inflammation, scaling and sometimes severe
itching.
Excoriation - ✔️✔️Skin sore or abrasion produced by scratching or scraping.
Excoriation - ✔️✔️Skin sore or abrasion produced by scratching or scraping.
Extrinsic Factors - ✔️✔️Primarily environmental factors that contribute to aging and the
appearance of aging.
Extrinsic Factors - ✔️✔️Primarily environmental factors that contribute to aging and the
appearance of aging.
Sebaceous glands - ✔️✔️Oil glands in the skin and scalp that secrete sebum .
Sebaceous glands - ✔️✔️Oil glands in the skin and scalp that secrete sebum .
Keratinization - ✔️✔️Process of creating keratin protein. A non-living fiber.
Keratinization - ✔️✔️Process of creating keratin protein. A non-living fiber.
Fissure - ✔️✔️A crack in the skin that penetrates the dermis. Example severely
cracked hands/lips.
