Hair Root Structures
Hair Shaft Structures/Cuticle
Hair Shaft Structures/Cortex and Medulla
"Good Hair"
Last Chapter
100
What is the technical or scientific name for the study of the hair and its diseases and care is called?
Trichology
100
What are the 3 main structures of the hair shaft?
Hair cuticle, cortex and medulla
100
What is the middle layer of the hair?
The cortex
100
What is the name of the comedian who produced "Good Hair"?
Chris Rock
100
What is the highest level of decontamination?
Sterilization
200
How many structures does the hair root have?
5
200
What is the outermost layer of the hair?
The hair cuticle
200
What results from the unique protein structures located within the cortex?
The elasticity of the hair and its natural color
200
What is hair relaxer used for?
To get the hair smooth and straight
200
Name one federal regulatory agency.
OSHA or EPA
300
Where are hair follicles distributed on our body?
Everywhere except our palms and soles of our feet
300
What does the hair cuticle provide?
It's a layer that provides a barrier that protects the inner structure of the hair
300
What changes take place within the cortex?
Oxidation haircoloring, wet setting, thermal styling, permanent waving and chemical hair relaxing
300
What chemical is used to straighten hair?
Sodium hydroxide
300
What are 3 classifications of pathogenic bacteria?
Cocci, bacilli, spirilla
400
Where is the dermal papilla located?
At the base of the hair follicle
400
What is the hair cuticle responsible for?
It's responsible for creating the shine and the smooth, silky feel of healthy hair
400
What is the innermost layer of the hair?
The medulla
400
What is unique about his investigation and sources?
They're from live people and not from textbook and online research
400
What is the lowest level of decontamination?
Sanitation
500
What structure is responsible for goosebumps?
The arrector pili muscle
500
Where does the inner structure of the hair lie?
It lies tightly against the cortex
500
What type of hair contains a medulla?
Only thick, coarse hair
500
Why do people have to cut their hair twice in their lifetime? (Tonsure)
It's a spiritual sacrificial ceremony
500
What is the state regulatory agency in CA?
California State Board of Barbering and Cosmetology
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