Chapter 7- Skin Structure, Growth & Nutrition

Question 1

Medical branch of science that deals with the study of skin- it’s nature, structure, functions, diseases and treatment

Answer 1

Dermatology

Question 2

dermatologist attend ____ years of college, _____ years of medical school and about ____ years of specialty training in dermatology

Answer 2

4

Question 3

largest organ of the body

Answer 3

skin

Question 4

if the skin of the average adult was stretched out, it would cover over _________ square inches and weight about ____ to _____ pounds

Answer 4

3,000

6-9

Question 5

the surface of healthy skin is slightly ————

Answer 5

acidic

Question 6

hair skin and nail’s pH

Answer 6

4.5-5.5

Question 7

continued, repeated pressure on any part of the skin, especially the hands and feet, can cause it to thicken and develop into a

Answer 7

callus

Question 8

the skin of the ______ is constructed similarly to the skin elsewhere on the human body, but the scalp has ________ and ________hair follicles to accommodate the longer hair of the head

Answer 8

scalp
larger
deeper

Question 9

the outermost and thinnest layer of the skin.

Answer 9

epidermis

Question 10

made up of 5 layers

Answer 10

epidermis

Question 11

the layer we see when we look at the skin and it is the layer cared for by salon products and services

Answer 11

stratum corneum

Question 12

a fibrous protein that is also the principal component of hair and nails

Answer 12

keratin

Question 13

the spiny layer just about the stratum germinativum. the spiny layer where the process of skin cell shedding begins

Answer 13

stratum spinosum

Question 14

more commonly known as the basal cell layer, is the deepest layer of the epidermis

Answer 14

stratum germinativum

Question 15

the basal cell layer also contains special cells called ___________, which produces the dark skin pigment called melanin

Answer 15

melanocytes

Question 16

also known as derma, corium, cutis or true skin, is the underlying or inner layer of the skin

Answer 16

dermis

Question 17

the highly sensitive ______ layer of connective tissue is about 25 times thicker than the epidermis

Answer 17

dermis

Question 18

are the small involuntary muscles in the base of the hair follicle that cause goose bumps and papillae

Answer 18

Arrector Pili muscles

Question 19

the outer most layer of the dermis, directly beneath the epidermis.

Answer 19

papillary layer

Question 20

small, cone shaped elevations at the base of the hair follicles

Answer 20

dermal papillae

Question 21

where is the dermal papillae locates

Answer 21

within the papillary layer

Question 22

top of the papillary layer where it joins the epidermis is called the

Answer 22

epidermal-dermal junction

Question 23

the deeper layer of the dermis that supplies the skin with all of its oxygen and nutrients

Answer 23

reticular layer

Question 24

also known as adipose tissue or subcutis tissue, is the fatty tissue found below the dermis

Answer 24

subcutaneous tissue

Question 25

what carry impulses from the brain to the muscles

Answer 25

motor nerves

Question 26

these sensory receptors send messages to the brain

Answer 26

sensory nerve fibers

Question 27

the ________ layer of the dermis houses the nerve endings that provide the body with the sense of touch, pain, heat, cold. and pressure

Answer 27

papillary

Question 28

tiny grains of pigment that are produced by melanocytes and then deposited into the basal layer of the epidermis and the papillary layers of the dermis

Answer 28

melanin

Question 29

red to yellow in color

Answer 29

pheomelanin

Question 30

dark brown to black in color

Answer 30

eumelanin

Question 31

helps protect sensitive sells from the sun’s UV light

Answer 31

melanin

Question 32

the skin gets its strength, form, and flexibility from two specific structures found within the dermis

Answer 32

collagen

elastin

Question 33

gives the skin it’s flexibility and elasticity

Answer 33

elastin

Question 34

also known as oil glands are connected to the hair follicles

Answer 34

sebaceous glands

Question 35

when the sebum hardens and the duct becomes clogged a pore impaction called an _____________ also known as a black head, is formed

Answer 35

open comedo

Question 36

a _______ also known as a _________ is a small elevation on the skin that contains no fluid but my develop pus.

Answer 36

papule

pimple

Question 37

makes up to 50-70% of the body’s weight and it necessary for virtually every function of the cells and body

Answer 37

water

Question 38

supports the overall health of the skin and aids in the health, function and repair of skin cells. It has been shown to improve the akin’s elasticity and thickness

Answer 38

Vitamin A

Question 39

Vitamin ____ is virtually important in fighting the aging process and promotes the production of collagen in the skin’s dermal tissues, keeping the skin healthy & firm

Answer 39

C

Question 40

enables the body to properly absorb and use calcium

Answer 40

Vitamin D