Chapter 7: Skin & Appendages

Question 1

Appendage’s

Answer 1

epidermal and dermal-derived components of the skin that include hair, nails, sweat glands, and sebaceous glands.

Question 2

Skin

Answer 2

Largest organ of the body; aka Integumentary system

Question 3

complex non-living material between cells in a tissue; helps attach the cells and structure the cells into tissues; binds tissue together

Answer 3

Extracellular matrix (ECM)

Question 4

Components of ECM

Answer 4

Water
Proteins and Proteoglycans
-Collagen
-Elastin
-Proteoglycans

Question 5

Two Main Layers of the Skin

Answer 5

Epidermis & Dermis

Question 6

Hypo

Answer 6

below

Question 7

Epidermis

Answer 7

Avascular- lack of blood vessels. no nerves; dead; have 5 layers

Question 8

Dermis

Answer 8

has blood vessels; alive; lots of nerve endings; appendages; true skin; have 2 layers.

Question 9

Hair below the epidermis

Answer 9

alive

Question 10

Hair above the dermis

Answer 10

dead

Question 11

Lies beneath the dermis; where the concentration of adipose cells lies; are considered not part of the skin; the layer of tissue that underlies the skin and muscle binding.

Answer 11

Hypodermis also known as Subcutaneous Tissue

Question 12

Adipose tissue

Answer 12

Fat cells

Question 13

Muscle attached to the hair

Answer 13

Arrector pili

Question 14

Occurs when arrector pili muscles pull hair upright

Answer 14

goosebumps

Question 15

permanent art that is injected with ink into the dermis forming a scar

Answer 15

tattoo

Question 16

Produces oily substance to hair.
-an exocrine gland
-keeps its skin smooth, by releasing estrogen

Answer 16

sebaceous gland

Question 17

Produces sweat.
-gets rid of toxins
-regulates the temperature by secreting sweat when the body is hot or stressed
-exocrine gland

Answer 17

Sweat/Sudoriferous gland

Question 18

Difference between the sebaceous gland and the sudoriferous gland

Answer 18

The sebaceous gland produces oil and the sudoriferous gland produces sweat

Question 19

In the dermis, and has the ability to detect pressure being put on

Answer 19

Tactile nerve endings

Question 20

In the dermis and has the ability to detect pain.

Answer 20

Pain nerve fibers

Question 21

feeling swollen glands

Answer 21

tactile palpate

Question 22

Below the hypodermis

Answer 22

muscles

Question 23

Below the muscles

Answer 23

connective tissue

Question 24

deep in the muscle

Answer 24

intramuscular

Question 25

Layers of the epidermis

Answer 25

stratum corneum and stratum basal

Question 26

most superficial layer of epidermis (keratinized layer)

Answer 26

stratum corneum

Question 27

bottom layer of the epidermis

Answer 27

stratum basal

Question 28

difference between the apical and basal layer

Answer 28

top layer (apical) and bottom layer (basal)

Question 29

between the dermis and the epidermis

Answer 29

Dermo epidermal Junction

Question 30

in the epidermal derma joint; responsible for skin color; made from proteins and hormones; filter ultraviolet lights.

Answer 30

Melanocytes

Question 31

Properties of Melanin

Answer 31

protection of rays pigment of the skin made from proteins and hormones

Question 32

Grade of burns

Answer 32

Grade I Grade II Grade III Grade IV

Question 33

-in the epidermis -it wont hurt much -sunburn

Answer 33

Grade I

Question 34

-in the dermis -tissue damage -kills off cells -blister- frictional damage/epidermis and dermis rubbed against each other

Answer 34

Grade II

Question 35

-in the hypodermis -all the fluid in the body leaks out; the cause of death maybe because of dehydration -need to have skin grafts to heal

Answer 35

Grade III

Question 36

-burn that goes through the hypodermis and into the bone muscle is burn through -tissue necrosis -jellyfish sting

Answer 36

Grade IV

Question 37

jellyfish injects an enzyme that causes tissue necrosis, what does tissue necrosis mean? -tissue necrosis can also be caused by diabetes

Answer 37

tissue destruction

Question 38

damaged to the dermis and the result of too many cell production

Answer 38

scars

Question 39

forming of such a big scar

Answer 39

keloid

Question 40

cut away the dead tissue for bacteria to not hide under

Answer 40

debridement

Question 41

-tissue is not getting enough oxygen making the veins turns blue -when it loses oxygen and gains carbon dioxide

Answer 41

Cyanosis/Cyanotic

Question 42

shock to the system making you turn pale or white. -all the blood goes into the extremities and organs

Answer 42

Pallor

Question 43

dorsal part of the hands have

Answer 43

temperature nerves

Question 44

ventral part of the hands (palm) have

Answer 44

tactile nerves

Question 45

-are extremely sensitive -more sensitive to temperature than the dorsal part of the hands

Answer 45

lips

Question 46

ONYCHO

Answer 46

nails

Question 47

consists of epidermal cells converted to hard keratin; grows through mitosis; bed contains abundant blood vessels

Answer 47

nails

Question 48

separation of the nail from the nail bed

Answer 48

onycholysis

Question 49

formation of keratin; main purpose to keep water out and moisture in; bonded tightly together

Answer 49

keratinization

Question 50

a region of injured tissue or skin in which blood capillaries ruptured; a bruise

Answer 50

contusion

Question 51

delivery of blood to an area

Answer 51

vascular perfusion

Question 52

a protein that serves as one of the main building blocks for your skin, bones, hair, muscles, tendons, and ligaments; keeps you looking youthful

Answer 52

collagen

Question 53

a discontinuity of the skin or a break in the skin; defined as a sore or breach in the lining of the epithelium and is slow to heal.

Answer 53

ulcer