The medulla, the innermost layer of the hair, is composed of cells that are: - ANSWER Round
The Greek words trichos means "hair" - ANSWER True
The sudden falling out of hair in round patches or baldness in spots is
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The medulla, the innermost layer of the hair, is composed of cells that are: - ANSWER Round
The Greek words trichos means "hair" - ANSWER True
The sudden falling out of hair in round patches or baldness in spots is - ANSWER Alopecia areata
A lenghtwise section of hair shows that cuticle scales overlap and each individual cuticle scale is attached to the : - ANSWER Cortex
The sebaceous glands contain the blood and nerve supply that provides the nutrients needed for hair growth - ANSWER False
Hair is composed of protein that grows from cells originating within the: - ANSWER Hair follicle
A weak, physical, cross-link side bond between adjacent polypeptide chains that is broken by changes in PH is a : - ANSWER Salt bond
An acute, localized bacterial infection of the hair follicle that produces constant pain is a : - ANSWER Furuncle
The three growth cycles of human hair are : - ANSWER Anagen, catagen, and telogen
You should not perform a service on a client who has seborrheic dermatitis - ANSWER True
The complete loss of all body hair is known as alopecia totallis - ANSWER False
The resting phase or final phase of the hair cycle that lasts until the fully grown hair is shed is the : - ANSWER Telogen phase
Vellus hair is not pigmented and almost never has a medulla - ANSWER True
A condition that is characterized by brittleness and the formation of nodular swellings along the hair shaft is : - ANSWER Trichorrhexis nodosa
The major elements that make up human hair are carbon, oxygen, hydrogen, nitrogen, and sulfur, often referred to as the : - ANSWER COHNS elements
The scientific study of hair and its diseases and care - ANSWER Trichology
The part of the hair located below the surface of the epidermis - ANSWER Hair root
The outermost layer of hair - ANSWER Cuticle
An oily substance that lubricates the hair and skin - ANSWER Sebum
The growth phase, during which new hair is produced - ANSWER Anagen
The medical term of ringworm - ANSWER Tinea
Temporary hair loss experienced at the end of a pregnancy - ANSWER Postpartum alopecia
The technical term for brittle hair - ANSWER Fragilitas crinium
Long, coiled, complex polypeptides made of amino acids - ANSWER Protein
Refers to the shape of the hair strand - ANSWER Wave pattern
Vellus hair is the short, fine, and downy hair also known as : - ANSWER Lanugo hair
The measurement that describes the number of individual hair strands on 1 square inch of the scalp is : - ANSWER Density
An infestation of the hair and scalp with head lice is : - ANSWER Pediculosis capitis
The medical term used to describe dandruff is : - ANSWER Pityriasis
Dry hair and scalp should be treated with products that contain moisturizers and : - ANSWER Emollients
The thickness or diameter of the individual hair strand is referred to as hair : - ANSWER Texture
The three different types of side bonds are : - ANSWER Hydrogen, salt, and disulfide
The ability of the hair to absorb moisture is : - ANSWER Porosity
A highly contagious skin disease caused by a parasite called a mite is : - ANSWER Scabies
The substance secreted by the sebaceous glands is called : - ANSWER Sebum
The melanin that provides brown or black color to hair is : - ANSWER Eumelanin
The tiny, involuntary muscle fiber in the skin inserted in the base of the hair follicle is the : - ANSWER Arrector pili
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