Chapter 7 - Skin Structure, Growth, & Nutrition Flashcards
About how many years Of post-high school education and training are required to become a dermatologist?
Twelve
The average adult skins weighs _ pounds?
6 - 9
The surface of healthyskin is slightly _?
Acidic
The outermost and thinnest layer of the skin is the _?
Epidermis
The layer of the skin that is seen and treated by the cosmetologist is the _?
Stratum corneum
What is a fibrous protein that is the principal component of hair and nails p
Keratin
The stratum germinativum is composed Of several layers with special cells that produce a dark skin pigment called _?
Melanin
The highly sensitive dermis layer is about (blank) times thicker than the epidermis?
25
The outermost layer of the dermis is the _ __ _ layer?
Papillary
Which type of nerve fibers carry impulses from the brain to the muscles?
Motor
Which body part sends messagesto the brain?
Sensory nerve fibers
(Blank) helps protect sensitive calls from uv rays
Melanin
What is a fibrous protein that gives skin form and strength?
Collagen
What is a small, round elevation on the skin that contains no fluid but may develop pus?
Papule
Water is the number one nutrient of the body and composes what percentage of the body’s weight?
50-70%