Medical Quiz

Skin Structure, Growth & Nutrition Quiz


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The nutrient needed for energy to run every function within the body is _____.

A. vitamins

B. proteins

C. carbohydrates

D. fats


When sebum hardens and the sebaceous duct becomes clogged, the pore impaction that is formed is a

A. scar

B. lubricant

C. secretory coil

D. comedo


Which vitamin helps protect the skin from the harmful effects of the suns UV light?

A. Vitamin A

B. Vitamin D

C. Vitamin E

D. Vitamin C


The amount and type of pigment produced in an individual is determined by his or her ______.

A. genes

B. gender

C. sun exposure

D. age


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


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


The layer of the epidermis also known as the basal cell layer is the _____.

A. stratum lucidum

B. stratum spinosum

C. stratum corneum

D. stratum germinativum


Nerves that regulate the excretion of perspiration from the sudoriferous glands and control the flow of sebum to the surface of the skin are _____.

A. motor nerve fibers

B. sensory nerve fibers

C. secretory nerve fibers

D. impulse nerve fibers


What is a fibrous protein that gives skin form and strength?

A. keratin

B. dermal papillae

C. papule

D. collagen


which nerve fibers react to heat, cold, touch, pressure, and pain?

A. motor

B. secretory

C. passive

D. sensory


During excretion, perspiration from the ______ glands is excreted through the skin.

A. sudoriferous

B. sebaceous

C. reticular

D. papillary


What helps protect against UV rays?

A. sebum

B. keratin

C. elastin

D. melanin


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


Which type of nerve fibers carry impulses from the brain to the muscles?

A. sensory

B. motor

C. secretory

D. central


Impulses are carried from the brain to the muscles by ________ nerve fibers

A. motor

B. secretory

C. passive

D. sensory


Lack of water is the principal cause of ______.

A. daytime fatigue

B. daytime hunger

C. daytime mood swings

D. daytime memory loss


The small, cone-shaped elevations at the bottom of hair follicles are called

A. tactile corpuscles

B. sebaceous glands

C. melanocytes

D. dermal papillae


the pigment produced to protect the skin from the effects of ultraviolet run rays is

A. keratin

B. melanin

C. elastin

D. collagen


if the skin of an average adult were stretched out, it would cover more then how many square inches

A. 1,500

B. 3,000

C. 5,000

D. 2,000


The scalp has larger and deeper ___ than the skin on the rest of the body.

A. melanocytes

B. propionibacterium acnes

C. sensory nerve fibers

D. hair follicles


A raised, inflamed papule with a white or yellow center containing pus is in the top of the lesion is a _____.

A. papillary

B. pustule

C. callus

D. comedo


The surface of healthy skin should

A. have a neutral pH

B. be slightly acidic

C. be slightly alkaline

D. be highly acific


How many layers does the epidermis have

A. 1

B. 3

C. 6

D. 5


The average adult skin weighs __ pounds

A. 3 to 6

B. 9 to 12

C. 6 to 9

D. 12 to 15


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




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