Chapter 11 Properties Of The Hair And Scalp Flashcards
The scientific study of hair, it’s diseases, and care is called ____________
A.dermatology
B.trichology
C.biology
D.cosmetology
Trichology
The two parts of a mature strand of human hair are the _________
A.dermis and epidermis
B.hair shaft and hair follicle
C.hair root and hair shaft
D.hair root and hair follicle
Hair root and hair shaft
The tube like depression or pocket in the skin or scalp that contains the hair root is the _______
A.hair follicle
B.hair shaft
C.hair bulb
D.scalp
Hair follicle
Hair follicles are not found on the _____________
A.forehead area
B.backs of the hands
C.soles of the feet
D.back of the neck
Soles of the feet
The __________ is the small, involuntary muscle in the base of the hair follicle
A.medulla
B.arrector pill muscle
C.tinea
D.dermal papilla
Arrector pill muscle
The fatty or oily substance secreted by the sebaceous glands is _____________
A.sweat
B.lymph
C.Catagen
D.sebum
Sebum
For chemicals to penetrate a healthy cuticle hair layer, they must have ___________
A.no pH
B.a neutral pH
C.an alkaline pH
D.an acidic pH
An alkaline pH
The medulla is composed of ____________ cells
A.rod shaped
B.round
C.spiral shaped
D.rectangular
Round
During the ____________ phase, new hair is produced because new cells are actively manufactured in the hair follicle
A. Anagen
B.catagen
C.resting
D.telogen
Anagen
The major elements that make up human hair are carbon, oxygen, hydrogen, ____________
A.lead and zinc
B.keratin and selenium
C.boron and calcium
D.nitrogen and sulfur
Nitrogen and sulfur
The strong, chemical bonds that join amino acids are called ___________
A.convex bonds
B.peptide bonds
C.hydrogen bonds
D.side bonds
Peptide bonds
Which type of melanin provides natural colors ranging from red and ginger to yellow and blond tones
A.pheomelanin
B.eumelanin
C.polymelanin
D.biomelanin
Pheomelanin
Asians tend to have ___________ hair
A.extremely straight
B.extremely curly
C.straight to curly
D.wavy to curly
Extremely straight
To help minimize tangles in extremely curly hair when shampooing, you should use _____________
A.a drying shampoo
B.strong scalp manipulations
C.a detangling rinse
D.antibacterial shampoo
A detangling rinse
Hair texture is classified as ____________
A.wavy, straight, curly
B.course, medium, or fine
C.light, medium, or dark
D.long, medium, or short
Course, medium, or fine
The measurement of the number of individual hair strands on me square inch (2.5 square centimeters) of the the scalp is ______________
A. Hair density
B. Hair elasticity
C.hair texture
D.hair porosity
Hair density
Compared to hair with high porosity, chemical services performed on hair with low porosity require ___________
A.neutral solutions
B.more acidic solutions
C.solutions of the same pH
D. More alkaline solution
More alkaline solution
Wet hair with normal elasticity will stretch up to ________ of its original length and return to that length without breaking
A. 25 percent
B.40 percent
C.50 percent
D.70 percent
50 percent
Oily hair and scalp can be treated by properly washing with a ____________
A.vinegar solution
B.normalizing shampoo
C.conditioning shampoo
D. Dry shampoo
Normalizing shampoo
Which type of hair almost never has a medulla
A.oily
B.pigmented
C.terminal
D.vellus
Vellus
During which phase does the follicle canal shrink and detach from the dermal papilla
A.Patagen
B.telogen
C.anagen
D. Catagen
Catagen
The average growth of healthy scalp hair is _____________
A. 1/2 inch (1.25 centimeters) per week
B.1 inch (2.5 centimeters) per week
C.1/2 inch ( 1.25 centimeters) per month
D. 1 inch (2.5 centimeters) per month
1/2 inch (1.25 centimeters) per month
the technical term used to describe gray hair is ____________.
a. candities
b. tinea
c. alopecia
d. albino
canities
a condition of abnormal growth of terminal hair in areas of the body that normally grow only vellus hair is ___________.
a. trichorrhexis
b. ringed hair
c. hypertrichosis
d. canities
hypertrichosis
the technical term for dandruff is _____________
a. cantities
b. pityriasis
c. alopecia
d. simplex
pityriasis
which of the five main structures of the hair root contain the bloody and nerve supply that provides the nutrients needed for hair growth?
a. dermal papilla
b. hair bulb
c. hair follicle
d. sebaceous gland
dermal papilla
because there are so many of them, salt bonds account for about ________ of the hair’s overall strength.
a. one quarter
b. one half
c. one third
d. two thirds
one third
The anagen phase generally lasts form three to five _________
a. days
b. weeks
c. months
d. years
years