AND CORRECT ANSWERS LATEST UPDATE//GRADED
A+..ALL YOU NEED TO PASS YOUR COSMETOLOGY
EXAM..ALL THE BEST
Trichology - (answer)Study of hair
Hair root and hair shaft - (answer)A mature strand of human hair is divided into
two principal parts known as the
hair follicle - (answer)a small tubular cavity containing the root of a hair
hair bulb - (answer)Lowest part of the hair strand
dermal papilla - (answer)A small, cone-shaped area at the base of the hair follicle
that fits into the hair bulb
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sebaceous glands - (answer)secrete sebum (oil) into the hair follicles where the
hair shafts pass through the dermis
arrector pili - (answer)smooth muscle attached to follicle, responsible for "goose
bumps"
Nine - (answer)Of the 20 amino acids that make up hair, a person must obtain this
many of the essential amino acids from daily diet
, The cuticle, the cortex, and the medulla - (answer)The three main layers of the
hair shaft are
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Melanin - (answer)A pigment that gives the skin and hair its color
Protein - (answer)As newly formed cells, mature, they fill up with this fibrous
white, then, move upward, lose their nucleus, and die.
51 - (answer)The percent of the element carbon in normal hair
21 - (answer)The percent of oxygen in normal hair
Sulfur - (answer)In the make up of normal human hair, what COHNS element is
present in the lowest percentage
peptide bond - (answer)The chemical bond that joins amino acids to each other is
called
salt bond - (answer)In the cortex, a side bond that is easily broken by strong,
alkaline, or acidic solution
Melanin - (answer)The cortex contains coloring matter in the form of mini grains
of this or pigment
, red/ginger - (answer)Pheomelanin provides natural hair colors from to yellow
and blonde tones
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Wave patterns - (answer)The shape of a hair strand, described as straight, wavy,
curly or extremely curly, is known as
vellus hair - (answer)Short, fine, Downey unpigmented hair is known as
Eyelids - (answer)What place on the body would normally include vellus hair
Terminal hair - (answer)Long, coarse, pigmented hair found on the scalp, legs,
arms, and bodies of males and females.
Antigen, catagen, and telegen - (answer)All hair follicles have the same structure
and cycle through the same three phases, which are
Beau's lines - (answer)Depressions running across the width of the nail plate or
known as
onychocryptosis(ingrown toe nail) - (answer)Can't be preformed on in the salom