Skin Structure, Growth & Nutrition Quiz
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Impulses are carried from the brain to the muscles by ________ nerve fibers
A. motor
B. secretory
C. passive
D. sensory
The medical branch of science that deals with the study of the skin, its functions, and diseases is
A. anatomy
B. histology
C. dermatology
D. physiology
Which type of nerve fibers carry impulses from the brain to the muscles?
A. sensory
B. motor
C. secretory
D. central
What is a fibrous protein that gives skin form and strength?
A. keratin
B. dermal papillae
C. papule
D. collagen
Water makes up _____ percent of the body’s weight and is necessary for virtually every function of the cells and body.
A. 10-20
B. 20-30
C. 30-50
D. 50-70
The layer of the epidermis where the process of skin cell shedding begins is the _______.
A. stratum corneum
B. stratum luciderm
C. stratum germinativum
D. stratum spinosum
The nutrient needed for energy to run every function within the body is _____.
A. vitamins
B. proteins
C. carbohydrates
D. fats
The outer layer of the epidermis is the _____ layer.
A. stratum corneum
B. stratum granulosum
C. stratum germinativum
D. stratum lucidum
the nerve fibers that regulate the excretion of perspiration are
A. motor
B. secretory
C. passive
D. sensory
The coiled base of the sudoriferous gland is known as the _____.
A. secretory coil
B. sweat duct
C. sebaceous gland
D. elastin coil
Vitamin __ may help improve the skins elasticity and thickness
A. a
B. b
C. c
D. d
The fibrous protein that gives skin its flexibility and helps skin regain its shape after being expanded is
A. collagen
B. elastin
C. keratin
D. protein
What is a small, round elevation on the skin that contains no fluid but may develop pus?
A. papule
B. keratin
C. dermal papillae
D. collagen
A fatty or oily secretion that lubricates the skin and preserves the softness of the hair is _____.
A. sebum
B. lymph
C. pus
D. melanin
What is a fibrous protein that is the principal component of hair and nails?
A. collagen
B. keratin
C. elastin
D. dermal papillae
Small, cone-shaped elevations at the bottom of hair follicles are known as _____.
A. papules
B. sensory nerve fibers
C. dermal papillae
D. melanocytes
The USDA recommends that people eat _____.
A. zero salt and zero sugar
B. large amounts of salt and sugar
C. moderate amounts of salt and sugar
D. moderate amounts of salt and no sugar
Emotional stress and hormone imbalances can increase the flow of _____.
A. sebum
B. spinal fluid
C. lymph
D. pus
The surface of healthy skin should
A. have a neutral pH
B. be slightly acidic
C. be slightly alkaline
D. be highly acific
The layer of skin that is seen and treated by the cosmetologist is the _____.
A. stratum corneum
B. keratin
C. melanin
D. papillae
The stratum germinativum is composed of several layers with special cells that produce a dark skin pigment called _____.
A. pigment
B. elastin
C. melanin
D. keratin
Skin gets its strength, form and flexibility from _______.
A. collagen and keratin
B. sebum and melanin
C. keratin and elastin
D. collagen and elastin
which nerve fibers react to heat, cold, touch, pressure, and pain?
A. motor
B. secretory
C. passive
D. sensory
the clear fluid that bathes skin cells, remove toxins and cellular waste, and has immune functions is called
A. lymph
B. blood
C. adipose
D. collagen
____ nerve fibers react to heat, cold, touch, pressure and pain.
A. motor nerve
B. sensory nerve
C. secretory nerve
D. complex nerve
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