Oregon State Boards Cosmetology HAIR DESIGN Questions And Answers Rated A+.
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Oregon State Boards Cosmetology HAIR DESIGN
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Oregon State Boards Cosmetology HAIR DESIGN
Oregon State Boards Cosmetology HAIR DESIGN Questions And Answers Rated A+.
Trichology - correct answer. Technical name for the study of hair
The main purposes of hair are - correct answer. Adornment and protection from heat, cold and injury
Only the cells of the ___are...
Oregon State Boards Cosmetology HAIR
DESIGN Questions And Answers Rated A+.
Trichology - correct answer. Technical name for the study of hair
The main purposes of hair are - correct answer. Adornment and protection from
heat, cold and injury
Only the cells of the ___are alive. - correct answer. Hair Bulb. The hair fiber or
strand itself are not alive.
Hair Root - correct answer. the portion of hair that is inside the hair follicle UNDER
the skin's surface
Hair Fiber - correct answer. Portion of the hair that extends above the skins surface
Papilla - correct answer. is filled with capillaries that supply nourishment to the cells
around it, called germinal matrix cells.
Germinal matrix - correct answer. The area of the bulb where cell division (mitosis)
takes place
Cuticle - correct answer. The outer covering of the hair shaft made up of overlapping
layers of transparent scales
Cortex - correct answer. the second layer consisting of unique protein structures
(gives hair most of its pigment and strength *elasticity*)
Medulla - correct answer. the central core of the hair shaft, also called the pith or
marrow (often absent in fine or very fine hair)
Sebum mixes with the body's perspiration to form the: - correct answer. Acid Mantle
, The Acid Mantle is important because: - correct answer. it protects the cuticle, or
outer covering, of the hair fiber and maintains the acid balance of hair and skin.
Hair pulled out from the roots will grow again unless: - correct answer. The papilla
(origin of hair) is destroyed
Keratinization - correct answer. is a process whereby cells change their shape, dry
out and form keratin protein.
Once keratinized, the cells that form the hair fiber or strand are: - correct answer. no
longer alive.
Hair is made up primarily of: - correct answer. protein
Anagen - correct answer. Active growing stage of hair
Catagen - correct answer. Brief transitional stage of hair growth when all cell
division stops.
Telogen - correct answer. Resting phase of hair growth
In humans, the average rate of hair growth is: - correct answer. 1/2" (1.25cm) per
month
Supercilia - correct answer. technical name for the hair of the eyebrows
Capilli - correct answer. technical name for the hair of the head
The diameter of coarse hair is: - correct answer. much larger than fine hair
The cuticle is the protective layer of the hair shaft and is made up of: - correct answer.
a harder protein than the cortex
If a particular hair is 90% cortex and 10% cuticle: - correct answer. then that hair
behaves like the cortex *that means it has more elasticity and ability to be molded and
reshaped.
If the cuticle makes up to 40% of the hair fiber: - correct answer. then that hair will
behave more like the cuticle and be more resistant to perms, relaxers or holding a set.
Melanin - correct answer. A pigment that gives the skin and hair their color
What is produced by melanocytes, cells that exist among the dividing cells within the
hair bulb? - correct answer. Melanin
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