quiz

Question 1

what are the 6 primary functions of the skin

Answer 1

protection 
absorption
secretion
excretion
regulation
sensation

Question 2

protection

Answer 2

skin shields internal tissues from toxins such as pollutants, smoke, UV radiation and other chemicals

Question 3

absorption

Answer 3

skin absorbs vitamins, acids, water, and oxygen through pores to moisturize nourish and protect

Question 4

secretion

Answer 4

our skin secretes sebum that keeps skin soft, supple, and pliable

Question 5

what does secretion prevent

Answer 5

prevents bacteria from invading the skin

Question 6

excretion

Answer 6

toxins and wasted are secreted through sweat glands and pores

Question 7

regulation

Answer 7

skin regulates the body temperature by shivering or by sweating

Question 8

sensation

Answer 8

nerve ending fibres detect heat, cold, pain, pressure, and tough

Question 9

what is keratin

Answer 9

major protein substance that contains several chemical elements such as carbon, oxygen, hydrogen, nitrogen, and sulfur

Question 10

what are the 3 layers of the skin

Answer 10

epidermis
dermis
subcutaneous

Question 11

how many layers are in the epidermis

Answer 11

5

Question 12

what are the 5 layers of the epidermis

Answer 12

stratum corneum
stratum lucidum
stratum granulosum
stratum spinosum
stratum germinitativum

Question 13

stratum corneum

Answer 13

top layer
toughest layer
made of keratinocytes that shed and are replaced with new cells

Question 14

stratum lucidum

Answer 14

thickest on palms/soles
transparent layer
forms the ridges that provide friction

Question 15

stratum granulosum

Answer 15

cells here are more regularly shaped and look like tiny granules
primary function of protection

Question 16

stratum spinosum

Answer 16

called the “spiny layer”
have langerhan cells that protect body from infection
immune cells

Question 17

stratum germinativum

Answer 17

lowest layer (basal layer)

Question 18

what are the components of the dermis

Answer 18

fibroblast cells
elastin
collagen

Question 19

what are fibroblast cells

Answer 19

they are responsible for forming fibres that protect collagen and elastin

Question 20

what is elastin

Answer 20

fibrous protein that forms elastic tissue

Question 21

what is collagen

Answer 21

strong protein substance that gives structure to the skin

major component of healing

Question 22

what are mast cells

Answer 22

they respond to allergies

Question 23

what are the layers of the dermis

Answer 23

papillary and reticular

Question 24

what do sudoriferous glands do

Answer 24

they produce sweat

they are controlled by the body’s nervous system

Question 25

what are the 2 types of sweat glands

Answer 25

apocrine glands | eccrine glands

Question 26

what are apocrine glands

Answer 26

sweat glands located under arms, genitals, and nipples | the secrete odorless substance

Question 27

what are eccrine glands

Answer 27

sweat glands located throughout the whole body

Question 28

what are eccrine glands responsible for

Answer 28

lowering body temperature

Question 29

what are endocrine glands

Answer 29

they release secretions into blood

Question 30

what are exocrine glands

Answer 30

they release secretions into ducts that then go out onto the skin

Question 31

what is a sebaceous gland

Answer 31

known as oil glands | they continually produce and secrete sebum

Question 32

what are sebaceous glands attached to

Answer 32

hair follicle

Question 33

what is the acid mantle

Answer 33

layer of oil and moisture formed when sebum mixes with secretions of the glands

Question 34

where is the acid mantle located

Answer 34

epidermis

Question 35

what is the natural pH

Answer 35

4.5-5.5

Question 36

what is a arrector pili

Answer 36

muscle connected to hair follicle

Question 37

what is the purpose of the subcutaneous

Answer 37

its the body's cushioning layer | gives shape

Question 38

what are the 5 types of tissue

Answer 38

``` epithelial connective muscular nerve liquid ```