More Test Review Flashcards
Goosebumps are caused by this muscle
Arrector pili
Muscle connected to hair follicle
Arrector pili
A condition of premature baldness or excessive hair loss is called
Alopecia prematura
When the ______ is gone and airspaces develop the hair appears to be gray
Melanin
Severe cases of hypertrichosis may be treated with _________
Electrolysis
A cross-sectional view of a wavy hair reveals it’s __________ shape
Oval
Define density
Number of hairs per square inch
Coloring matter is found in the hair _________
Cortex
Curly hair has what shape
Elliptical
The _________ is the club shaped structure forming at the lower part of the hair root
Hair bulb
How fast Does the average hair grow
Half an inch per month
The hair follicle is found in a tube like pocket down in the ________ and _________
Skin and scalp
A person with no coloring matter in their hair
Albino
Baldness In spots
Alopecia areata
The follicle gives the hair it’s shape size and _________
Direction
The hair root is the portion of the hair contained within the hair _______
Follicle
Define fragilitus crinium
Split ends
Trichoptilosis
Define porosity
Ability to absorb moisture
Permanent hair loss due to old age
Senilis alopecia
The hair root is the portion of the hair contained within the hair _______
Follicle
True or false
The hair shaft is the portion of the hair that projects beyond the skin
True
The hair layer that is sometimes missing
Medulla
This type of hair loss occurs most frequently after an injury to the nervous system
Alopecia areata
The most common causes of dandruff are neglect poor circulation and improper ______
Diet
A cross-sectional view of a ______ hair reveals a round shape
Straight
Define melanin
Coloring matter of hair
Hair tonics or lotions with alcoholic content may be applied only after the application of _____ ________ current
High-frequency
True or false
The average life of the hair on your head is about 2 to 4 years
True
What do scalp manipulations do
Stimulate blood circulation
After a scout cream has been applied expose the scalp to _____ rays
Infrared
How far can dry normal hair stretch
20% or 1/5 of its natural length
Hair papilla contains ______ _______ which give nourishment to the hair
Blood vessels
Define alopecia prematura
Hair loss before middle age
True or false
Wet normal hair can stretch it’s natural length about 40% to 50%
True
Define trichoptilosis
Split ends
Fragilitis cranium
Brittle hair
Hypertrichosis is also known as
Hirsuities
Superfluous hair
Wiry hair has what type of finish
Hard and glassy