Chapter 6

Question 1

define tissue

Answer 1

group of cells that has a specific job

Question 2

define nutrient

Answer 2

anything needed for life

Question 3

define organ

Answer 3

group of tissues with a specific job

Question 4

what is the cutaneous membrane

Answer 4

skin

Question 5

give 4 functions of the skin/cutaneous membrane

Answer 5

regulates body temp, retains water, excretes waste, protects

Question 6

define accessory organs

Answer 6

extra organs

Question 7

what are the 2 distinct layers of the skin

Answer 7

epidermis and dermis

Question 8

give 3 facts about the epidermis

Answer 8

out layer
dead cells
no blood vessels

Question 9

what is keratinization

Answer 9

waterproofing

Question 10

what are calluses

Answer 10

areas that skin is rubbed or pressed regularly

Question 11

give 2 facts about skin color

Answer 11

due to melanin

environmental factors also influence it

Question 12

define cyanosis

Answer 12

blood low in oxygen appears blue

Question 13

define jaundice

Answer 13

condition in newborns with a buildup of bilirubin and turns skin yellow

Question 14

give 3 facts about the dermis

Answer 14

inner layer
live cells
has blood vessels

Question 15

what is the subcutaneous layer for

Answer 15

helps insulate body

Question 16

define adipose tissue

Answer 16

fat

Question 17

what are nails for

Answer 17

protection

Question 18

define nail plate, nail bed, and lunula

Answer 18

nail plate- overlies surface of skin
nail bed- under nail plate
lunula- whitish half moon of nail

Question 19

what nail grows the slowest and fastest

Answer 19

slowest- thumbnail

fastest- middle finger

Question 20

give 3 places where there are no hair follicles

Answer 20

lips, palms, soles

Question 21

define hair follicle

Answer 21

base of a tube that makes hair

Question 22

define hair root

Answer 22

below skin

Question 23

define shaft

Answer 23

outside skin

Question 24

tell the amounts of melanin in the following: dark, blonde, white, red, grey

Answer 24

dark- alot of melanin
blonde- not much
white- none
red- has trichosiderin
grey- mix of some and none

Question 25

define goosebumps

Answer 25

arrector pili muscle stand hair up

Question 26

what do sebaceous glands do

Answer 26

keep hair soft, pliable, waterproof

Question 27

how does sweat keep you cool

Answer 27

liquid evaporates and carries heat away

Question 28

define exocrine glands

Answer 28

outside blood

Question 29

describe eccrine glands

Answer 29

responds to body temperature

Question 30

what is sweat made of

Answer 30

mainly water but contains salt, urea, and uric acid

Question 31

what are the body temps

Answer 31

98.6 F

37 C

Question 32

where is body temp regulated

Answer 32

hypothalamus

Question 33

define dilate

Answer 33

gets bigger

Question 34

define hyperthermia

Answer 34

above 106 F

Question 35

define hypothermia

Answer 35

below 95 F

Question 36

what does inflammation do

Answer 36

causes skin to turn red and swell

Question 37

define permeable

Answer 37

allows it to pass through

Question 38

what is the purpose of inflammation

Answer 38

provides nutrients and WBC’s

Question 39

what is the purpose of scabs

Answer 39

stops blood flow

Question 40

give 2 facts about cutaneous carcinomas

Answer 40

usually in light skinned people over 40

regularly exposed to sunlight

Question 41

define lesions

Answer 41

hard, dry, scaly growths

Question 42

give 2 facts about cutaneous melanomas

Answer 42

appear in any age

can form from a mole

Question 43

what is the best cure for cancer

Answer 43

early detection