Skin
The medical branch of science that deals with the study of the skin, its functions, and diseases is
__________________________________________
a. anatomy
b. dermatology
c. histology
d. physiology
The epidermis layer of the skin is also known as the:
__________________________________________
a. papillary layer
b. cuticle layer
c. subcutaneous layer
d. dermis layer
The dermis layer is made up of two layers, which are the :
___________________________________________
a. papillary and reticular
b. papillary and dermal
c. dermal and tactile
d. tactile and reticular
Which type of nerve fibers carry impulses from the brain to the muscles?
_________________________________________
a. sensory
b. motor
c. secretory
d. All the answers are correct.
The tiny grains of pigment deposited in cells that provide skin with its color are:
_________________________________________
a. protein
b. keratin
c. melanin
d. collagen
The surface of the healthy skin is slightly:
___________________________________________
a. yellow
b. alkaline
c. rough
d. acidic
The deepest layer of the epidermis, the basal cell layers, is also known as the :
_________________________________________
a. stratum spinosum
b. stratum germinativum
c. stratum corneum
d. keratin dermis
The top of the papillary layer where it joins the epidermis is the:
__________________________________________
a. dermis corpuscles
b. epidermal-dermal junction
c. epidermal-dermal connection
d. epidermis junction
Oil glands that are connected to hair follicles are also called:
__________________________________________
a. sudoriferous glands
b. sebaceous glands
c. arrector glands
d. sebaceous glands
The melanin produced by the body that is red to yellow in color is:
____________________________________________
a. granular melanin
b. pheomelanin
c. eumelanin
d. photovoltaic
All of the following are appendages of the skin EXCEPT
_________________________________________
a. pineal gland
b. nails
c. sebaceous glands
d. sudoriferous glands
a. pineal gland
The stratum germinativum is composed of several layers with special cells that produce a dark skin pigment called______.
_________________________________________
a. keratin
b. elongated
c. melanin
d. granules
c. melanin
The layer of the dermis that houses the nerve endings which provide the body with the sense of touch is found in the:
_________________________________________
a. secretory layer
b. papillary layer
c. dermal layer
d. reticular layer
papillary layer
The muscle that causes goose bumps when a person is frightened or cold is the:
____________________________________________
a. angled muscle
b. secretory muscle
c. absorption muscle
d. arrector pili muscle
d. arrector pili muscle
The fibrous protein that gives skin its flexibility and helps skin regain its shape after being expanded is:
__________________________________________
a. protein
b. collagen
c. elastin
d. keratin
c. elastin
The outermost and thinnest layer of the skin is the
____________________________________________
a. subcutaneous
b. surface
c. epidermis
d. dermis
c. epidermis
The clear, transparent layer just under the stratum corneum that consists of small cells through which light can pass is the :
__________________________________________
a. stratum lucidum
b. stratum corneum
c. stratum spinosum
d. stratum granulosum
a. stratum lucidum
The deeper layer of the dermis that supplies the skin with oxygen and nutrients is the:
___________________________________________
a. papillary layer
b. subcutaneous layer
c. reticular layer
d. basal layer
_________________________________________
c. reticular layer
The largest organ of the human body is the:
_______________________________________
a. liver
b. lungs
c. skin
d. heart
c. skin
What is used by cells to produce important biochemicals that have many body functions?
________________________________________
a. vitamins
b. proteins
c. water
d. minerals
d. minerals
Which of the following is a function of the skin?
____________________________________
a. Sensation
b. Excretion
c. Secretion
d. Absorption
e. All of the above
e. All of the above
The underlying or inner layer of the skin, which is also called the derma corium, cutis, or true skin, is the:
__________________________________________
a. papillary
b. dermal
c. dermis
d. epidermis
c. dermis
Fatty tissue found below the dermis is:
___________________________________________
a. tactile
b. papillae
c. subcutaneous tissue
d. papillary layer
c. subcutaneous tissue
Water is the number one nutrient of the body and composes what percentage of the body's weight?
__________________________________________
a. 20-30%
b. 35-40%
c. 50-70%
d. 40-45%
c. 50 - 70%
The vitamin that supports the overall heath of the skin and aids in the health, function, and repair of skin cells is:
___________________________________________
a. vitamin C
b. vitamin E
c. vitamin A
d. vitamin D
vitamin A