Hair & Scalp Disorders
Brittle hair with nodular swellings along the hair shaft describes what condition?
Trichorrhexis nodosa
Water loss through perspiration is an example of which skin function?
Excretion
The main arteries that supply blood to the head, neck, and face are:
Common carotid arteries
In haircutting, the amount of pressure applied when holding hair is called:
Tension
The design element that relates to the mass or outline of a hairstyle is:
Form
Narrow rows of visible braids close to the scalp (also called canerows) are:
Cornrows
The recommended treatment for trichorrhexis nodosa is:
Cutting the hair above the damage
What protects sensitive cells from UV rays?
Melanin
The middle part of a muscle is called the:
Belly
Projection/lifting of hair away from the head is:
Elevation
The basic design line that creates length/height is:
Vertical lines
A long strip of hair with a sewn/threaded edge is a:
Weft
The technical term for brittle hair is:
Fragilitas crinium
The medical study of skin, its functions, and diseases is:
Dermatology
Structures made of specialized tissues that perform specific functions are:
Organs
To create layers, you typically use a:
Traveling guideline
A focal point that attracts the eye is the principle of:
Emphasis
The purpose of a consultation for hair addition services is:
Establishing realistic expectations
Hair loss in round or irregular patches caused by the immune system attacking follicles is:
Alopecia areata
Sudoriferous glands primarily:
Excrete sweat to regulate body temperature and eliminate waste
The part of the cell that controls growth and reproduction is the:
Nucleus
A technique that removes bulk without shortening length is:
Texturizing
The classic proportion guide states hair should not be wider than the:
Center of the shoulders
A prep method that stretches/softens textured hair for braiding is:
Blowdrying with a large paddle brush from ends toward scalp
Loss of hair’s natural pigment is called:
Canities
A broad-spectrum sunscreen protects against:
UVA and UVB radiation
The system that includes the pituitary, thyroid, and adrenal glands is the:
Endocrine system
The best way to keep control when cutting a vertical or diagonal line is:
Palm-to-palm
The five 3D design elements are line, form, space, texture, and:
Color
The most important consideration in hair augmentation services is:
Ensuring the safety of the client’s own hair