skin

Question 1

scar

Answer 1

Excess collagenous fibers

Question 2

scab

Answer 2

Clot and dried tissue fluid

Question 3

Lifespan Changes

Answer 3

Melanin production slows
Hair thins
Number of hair follicles decreases
Nail growth becomes impaired
Sensory receptors decline
Body temperature unable to be controlled
Diminished ability to activate Vitamin D

 Skin becomes scaly
 Age spots appear
 Epidermis thins
 Dermis becomes reduced
 Loss of fat
 Wrinkling
 Sagging
 Sebaceous glands secrete less oil

Question 4

first degree burn

Answer 4

superficial, only epidermis, no scarring

Question 5

cause of inflammation

Answer 5

Blood vessels in affected tissues dilate, fluids leak onto tissue

Question 6

sweat gland

Answer 6

eccrine gland

Question 7

Melanocytes located

Answer 7

stratum basale

Question 8

Keratinized, lacks blood vessels, stratum corneum

Answer 8

epidermis

Question 9

Stratified squamous epithelium

Answer 9

epidermis

Question 10

collagenous and reticular fibers

Answer 10

dermis

Question 11

areolar, adipose

Answer 11

subcutaneous layer

Question 12

why is rule of nines important

Answer 12

to see how much fluid was lost and to see ow much fluid needs replaced

Question 13

what needs to be replaced in severe burn

Answer 13

electrolytes

Question 14

second degree burn

Answer 14

deep, partial thickness, some dermis affected, fluid escapes=blister

Question 15

third degree burn

Answer 15

full thickness, burns dermis, epidermis

Question 16

what happens when temperature goes above or below set point

Answer 16

gaining heat from surroundings, sweating

Question 17

most active growth region of nail

Answer 17

lunula

Question 18

brownish-black

Answer 18

eumelanin

Question 19

yellowish, orangish

Answer 19

pheomelanin

Question 20

cells hardening

Answer 20

keratinization

Question 21

granules in dark skin

Answer 21

single, large

Question 22

granules in light skin

Answer 22

many granules

Question 23

heat to cooler surroundings

Answer 23

radiation

Question 24

heat moves into cooler molecules

Answer 24

conduction

Question 25

continuous circulation of air over a warm surface

Answer 25

convection

Question 26

fluid evaporation, liquid to gas

Answer 26

evaporation

Question 27

autograft

Answer 27

same person

Question 28

alograft

Answer 28

different person

Question 29

hyerthermia side effects

Answer 29

weakness, irregular pulse, flushed face, headache, nauseousness

Question 30

hypothermia sude effects

Answer 30

shivering, feeling cold, confusion, lethargy, cardiac failure, organs shut down

Question 31

hypothermia risk factors

Answer 31

young people’s- underdeveloped nervous system

older people’s-less adipose tissue

Question 32

primary means of heat loss

Answer 32

radiation(heat to cooler surroundings)

Question 33

what determines skin color

Answer 33

genetics, environmental factors, size of granules

• dark(single)
• light(many)

Question 34

cause of baldness

Answer 34

hairs shed form scalp are not replaced

Question 35

blood oxygen concentration is low

Answer 35

cyanosis

Question 36

physiological factors that influence skin color

Answer 36

• disease
• carotene(Jaundice)
• cyanosis(blood oxygen concentration is low)

Question 37

acts as the computer or thermostat to control body temperature homeostasis

Answer 37

hypothalamus