Chapter 11: Properties Of The Hair & Scalp Flashcards
(40 cards)
The scientific study of hair, its diseases, and care is called ____________.
A. Dermatology
B. Trichology
C. Biology
D. Cosmetology
B. 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
C. 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
A. 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
C. Soles of the feet
The ___________ is the small, involuntary muscle in the base of the hair follicle.
A. Medulla
B. Arrector pili muscle
C. Tinea
D. Demal papilla
B. Arrector pili muscle
The fatty or oily substance secreted by the sebaceous glands is _____________.
A. Sweat
B. Lymph
C. Catagen
B. Sebum
D. 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
C. An alkaline pH
The medulla is composed of __________ cells.
A. Rod-Shaped
B. Round
C. Spiral-shaped
D. Rectangular
B. 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
A. 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
D. 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
B. 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
A. Pheomelanin
Asians tend to have ___________ hair.
A. Extremely straight
B. Extremely curly
C. Straight to wavy
D. Wavy to curly
A. Extremely straight
To help minimize tangles in extremely curly hair when shampooing, you should use ___________.
A. A drying shampoo
B. Strong scalp manipulation
C. A detangling rinse
D. Antibacterial shampoo
C. A detangling rinse
Hair texture is classified as ______.
A. Wavy, straight, or curly
B. Coarse, medium, or fine
C. Light, medium, or dark
D. Long, medium, or short
B. Coarse, medium, or fine
The measurement of the number of individual hair strands on one square inch (2.5 square centimeters) of the scalp is ____________.
A. Hair density
B. Hair elasticity
C. Hair texture
D. Hair porosity
A. 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 solutions
D. More alkaline solutions
Wet hair with normal elasticity will stretch up to ______________ of its original length and return to the length without breaking.
A. 25 percent
B. 40 percent
C. 50 percent
D. 70 percent
C. 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
B. Normalizing shampoo
Which type of hair almost never has a medulla?
A. Oily
B. Pigmented
C. Terminal
D. Vellus
D. Vellus
During which phase does the follicle canal shrink and detach from the dermal papilla?
A. Patagen
B. Telogen
C. Anagen
D. Catagen
D. 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
C. 1/2 inch (1.25 centimeters) per month
The technical term used to describe gray hair is ____________.
A. Canities
B. Tinea
C. Alopecia
D. Albino
A. Canities
A condition of abnormal growth of terminal hair in areas of the body that normally grow only vellus hair is ____________.
A. Trinchorrhexis
B. Ringed hair
C. Hypertrichosis
D. Canities
C. Hypertrichosis