chapter 5

Question 1

functions of the skin

Answer 1

• first line of defense against environmental harms
• protection of tissues & organisms
• excretion of salt, water, & organic waste
• maintenance of body temperature
• production of melanin; protects against radiation
• protection of keratin; water repellant
• synthesis of vitamin d
• storage of lipids
• detections of senses
• coordination of immune response

Question 2

what are the types of membranes

Answer 2

cutaneanous, mucous & serous

Question 3

mucous membrane

Answer 3

line body cavities open to outside

Question 4

serous membrane

Answer 4

lines body cavities that don’t open to outside

Question 5

what are the layers of the epidermis

Answer 5

stratum...
corneum
lucidium
granulosm
spinosm
basale
(creative lady gaga sings beautifully)

Question 6

stratum corneum

Answer 6

dead cells

Question 7

stratum lucidum

Answer 7

hairless cells

thick with keratin

Question 8

stratum graanulosm

Answer 8

thin

goes through apoptosis & produce granuals in cytoplasm

Question 9

stratum spinosum

Answer 9

keratin helps water proofing

Question 10

stratum basale

Answer 10

deepest layer

oxygen & nutrients diffuse

Question 11

What body system has skin as the primary organ?

Answer 11

Integumentary system

Question 12

Dermal papillae

Answer 12

Surface of skin (fingerprints)

Question 13

Keratin

Answer 13

Tough, fibrous protein

Structure of hair & nails

Question 14

Pariental

Answer 14

Body cavity attached to the wall

Question 15

Visceral

Answer 15

Relating to the vicera

Question 16

Serous fluids

Answer 16

Fluid secreted by mesothelium of a serous membrane

Question 17

What affects skin color

Answer 17

Sun
Environment
Carotin
Melanin
Hemoglobin

Question 18

Jaundice

Answer 18

Bike in liver

Question 19

Melanocytes

Answer 19

Stimulates hormone levels

Question 20

Vitiligo

Answer 20

Loss of melanocytes

Causes white patches

Question 21

Types of membranes

Answer 21

Serous & mucous

Question 22

Mucous

Answer 22

Body cavities open to outside of the body

Question 23

Serous

Answer 23

Body cavities enclosed in the body

Question 24

What are the layers of the dermis

Answer 24

Papillary & reticular

Question 25

Papillary

Answer 25

Upper, contains a thin arrangement of fibers

Question 26

Reticular

Answer 26

Lower, thicker, & made of thick collagen fibers that are arranged parallel to the surface of skin

Question 27

1st degree burn

Answer 27

Non blistered & red

Question 28

2nd degree burn

Answer 28

White & blistered

Question 29

3rd degree burn

Answer 29

Worst & bubbled

Question 30

How much does the integumentary system weigh

Answer 30

6-9 lbs

Question 31

How much room does skin take up

Answer 31

Up to 24 square feet

Question 32

cutaneanous

Answer 32

epidermous & dermis

Question 33

parietal

Answer 33

outer wall

Question 34

visceral

Answer 34

inner wall

Question 35

what are the 3 serous membranes

Answer 35

peritoneum, pleura, & pericadrium

Question 36

peritoneum membrane

Answer 36

abdominal cavity

Question 37

pleura

Answer 37

lung

Question 38

paricardium

Answer 38

heart

Question 39

dermis layers

Answer 39

papillary & reticular

Question 40

papillary

Answer 40

blood vessels & nerve endings

Question 41

reticular

Answer 41

hair follicules | sweat glands

Question 42

hypodermis

Answer 42

fat | absorbs shock

Question 43

factors of skin color

Answer 43

carotene & hemoglobin

Question 44

carotene

Answer 44

yellow pigment

Question 45

hemoglobin

Answer 45

pigment that carries oxygen

Question 46

cyanosis

Answer 46

low oxygen level (blue skin)

Question 47

erythma

Answer 47

high oxygen level (red skin)

Question 48

macrophage

Answer 48

cells that eat other smaller cells & cell debris

Question 49

phagocytosis

Answer 49

the act of macrophage eating cells

Question 50

synovial connective tissue

Answer 50

lines joints for cushion | secretes lubricating fluids

Question 51

Meissner’s Corpuscles

Answer 51

receptors that feel touch

Question 52

Pacinan Corpuscles

Answer 52

where pressure is felt in the lower dermis

Question 53

Nociceptors

Answer 53

detect pain throughout dermis

Question 54

Arrector Pili

Answer 54

muscles attach to hair follicles and contract making hair stand up

Question 55

subaceous gland

Answer 55

secretes sebum (oils)

Question 56

ceruminous gland

Answer 56

inner lining of external ear canal | cerumen (ear wax)

Question 57

acne

Answer 57

inflamation of subacceous gland

Question 58

synovial membrane

Answer 58

supports bones (connective tissue)

Question 59

basale epithilial cells

Answer 59

cells that replace dead cells