Oregon State Boards Cosmetology HAIR DESIGN Exam Questions With Correct Answers
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Oregon State Boards Cosmetology HAIR DESIGN
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Oregon State Boards Cosmetology HAIR DESIGN
Ontario Security Guard Course Exam
Questions With Correct Answers.
What are the main duties of a Security Guard? - answerDeter, Observe, Report, Record.
Punctuality is a quality that is important as a Security Guard. - answerTrue
Is the PSISA a Provincial or Federal Act? - answerProvincial
The...
Oregon State Boards Cosmetology HAIR
DESIGN Exam Questions With Correct
Answers
Trichology - answer✔Technical name for the study of hair
The main purposes of hair are - answer✔Adornment and protection from heat, cold and injury
Only the cells of the ___are alive. - answer✔Hair Bulb. The hair fiber or strand itself are not
alive.
Hair Root - answer✔the portion of hair that is inside the hair follicle UNDER the skin's surface
Hair Fiber - answer✔Portion of the hair that extends above the skins surface
Papilla - answer✔is filled with capillaries that supply nourishment to the cells around it, called
germinal matrix cells.
Germinal matrix - answer✔The area of the bulb where cell division (mitosis) takes place
Cuticle - answer✔The outer covering of the hair shaft made up of overlapping layers of
transparent scales
Cortex - answer✔the second layer consisting of unique protein structures (gives hair most of its
pigment and strength *elasticity*)
Medulla - 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: - answer✔Acid Mantle
The Acid Mantle is important because: - 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: - answer✔The papilla (origin of hair) is
destroyed
Keratinization - 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: - answer✔no longer alive.
Hair is made up primarily of: - answer✔protein
Anagen - answer✔Active growing stage of hair
Catagen - answer✔Brief transitional stage of hair growth when all cell division stops.
Telogen - answer✔Resting phase of hair growth
In humans, the average rate of hair growth is: - answer✔1/2" (1.25cm) per month
Supercilia - answer✔technical name for the hair of the eyebrows
Capilli - answer✔technical name for the hair of the head
The diameter of coarse hair is: - answer✔much larger than fine hair
The cuticle is the protective layer of the hair shaft and is made up of: - answer✔a harder
protein than the cortex
If a particular hair is 90% cortex and 10% cuticle: - 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: - answer✔then that hair will behave more like
the cuticle and be more resistant to perms, relaxers or holding a set.
Melanin - 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?
- answer✔Melanin
Genes - answer✔found in the human body and determine the amount and type of melanin
produced by the melanocytes
Melanocytes - answer✔These rest near the hair bulbs nourishment center, the dermal papilla,
and form bundles of a pigment protein complex called melanosomes
Melanin - answer✔is produced by melanocytes, cells that exist among the dividing cells within
the hair bulb
eumelanin - answer✔is brown/black in color
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