WorksheetsSkin Structure, Growth & Nutrition Chpt 7
Total questions: 37
Worksheet time: 19mins
The medical branch of science that deals with the study of the skin, its functions, and diseases is _____.
anatomy
dermatology
histology
physiology
About how many years of post-high school education and training are required to become a dermatologist?
two
four
eight
twelve
The largest organ of the human body is the _____.
liver
lungs
skin
heart
The average adult skin weighs _____ pounds.
3 - 6
6 - 9
9 - 12
12 - 15
The surface of healthy skin is slightly _____.
yellow
alkaline
rough
acidic
How does the skin of the scalp differ from other skin?
The scalp has larger and deeper hair follicles.
The scalp has no epidermis.
The scalp lacks sebaceous glands.
The dermis and the epidermis are reversed in the scalp.
The outermost and thinnest layer of the skin is the _____.
subcutaneous
surface
epidermis
dermis
The epidermis has _____ layers.
three
five
seven
nine
The layer of skin that is seen and treated by the cosmetologist is the _____.
Stratum corneum
Keratin
Melanin
Stratum spinosum
What is a fibrous protein that is the principal component of hair and nails?
Keratin
Elastin
Dermal papillae
Collagen
The skin layer in which the shedding of skin cells first begins is the stratum _____.
lucidum
corneum
spinosum
granulosum
The deepest layer of the epidermis, the basal cell layer, is also known as the _____.
stratum spinosum
stratum germinativum
stratum corneum
keratin dermis
The stratum germinativum is composed of several layers with special cells that produce a dark skin pigment called _____.
keratin
elastin
melanin
granules
What is the name of the special cell in the stratum germinativum, responsible for producing dark skin pigment?
Papules
Melanocytes
Sensory nerve fibers
Dermal papillae
The underlying or inner layer of the skin, which is also called the derma corium, cutis, or true skin, is the _____.
papillary
dermal
dermis
epidermis
The highly sensitive dermis layer is about _____ times thicker than the epidermis.
10
15
20
25
The muscle that causes goose bumps when a person is frightened or cold is the _____.
angled muscle
secretory muscle
absorption muscle
arrector pili muscle
The outermost layer of the dermis is the _____ layer.
papillary
dermal
tactile
reticula
Small, cone-shaped elevations at the bottom of hair follicles are known as _____.
papules
melanocytes
sensory nerve fibers
dermal papillae
The top of the papillary layer where it joins the epidermis is the _____.
dermis corpuscles
epidermal-dermal junction
epidermal-dermal connection
epidermis junction
The deeper layer of the dermis that supplies the skin with oxygen and nutrients is the _____.
papillary layer
subcutaneous layer
reticular layer
basal layer
Fatty tissue found below the dermis is called _____.
tactile
papillae
subcutaneous tissue
papillary
Which type of nerve fibers carry impulses from the brain to the muscles?
Sensory
Motor
Secretory
Central
Which body part sends messages to the brain?
Papules
Melanocytes
Sensory nerve fibers
Dermal papillae
What layer of the dermis houses the nerve endings that provide the body with the sense of touch?
Secretory layer
Papillary layer
Dermal layer
Reticular layer
The tiny grains of pigment deposited in cells that provide skin with its color are _____.
protein
keratin
melanin
collagen
The melanin produced by the body that is red to yellow in color is _____.
granular melanin
pheomelanin
eumelanin
photovaltaic
_____ helps protect sensitive cells from UV rays.
Melanin
Sebum
Keratin
Elastin
What is a fibrous protein that gives skin form and strength?
Keratin
Papule
Dermal papillae
Collagen
The fibrous protein that gives skin its flexibility and helps skin regain its shape after being expanded is _____.
protein
collagen
elastin
keratin
Oil glands that are connected to hair follicles are also called _____.
sudoriferous glands
sebaceous glands
arrector glands
substance glands
When sebum hardens and the sebaceous duct becomes clogged, the pore impaction that is formed is a _____.
secretory coil
lubricant
scar
comedo
What is a small, round elevation on the skin that contains no fluid but may develop pus?
Keratin
Papule
Dermal papillae
Collagen
Water is the number one nutrient of the body and composes what percentage of the body’s weight?
10-30 percent
30-50 percent
50-70 percent
70-90 percent
Vitamin _____ may help improve the skin’s elasticity and thickness.
C
B
A
D
Vitamin _____ promotes the production of collagen.
A
C
B
D
Which vitamin enables the body to properly absorb and use calcium?
A
C
D
E
