skin

Question 1

epidermis

Answer 1

outermost layer, protective barrier against external factors, stratified squamous

Question 2

hypodermis

Answer 2

layer of fat & connective tissue that insulates body, stores energy, anchors skin to underlying structures, and consists of adipose & loose connective tissuehyp

Question 3

dermis

Answer 3

middle layer, structural support, houses blood vessels, nerves, hair follicles, sweat glands, consists of connective tissue, blood vessels, and sensory receptors

Question 4

nerves

Answer 4

senses & transmits info about tactile sensations, temp, and pain, allowing response

Question 5

blood vessels

Answer 5

carry o2 and co2 to and from epidermis

Question 6

sebaceous gland

Answer 6

produce & secrete sebum (oil lubricating skin & hair) to prevent dehydration

Question 7

sweat gland

Answer 7

regulate body temp by producing sweat, excretes waste products, & maintain skin moisture

Question 8

hair follicle

Answer 8

producing & anchoring individual hairs (help w/ insulation, protection, & sensory perception)

Question 9

arrector pili

Answer 9

contract & raise hair follicles (goosebumps), aid in thermo regulation & emotional responses

Question 10

dermal papillae

Answer 10

enhance connection between dermis & epi

Question 11

keratin

Answer 11

epidermis; water proofing, protection to skin (tough, impenetrable barrier)

Question 12

collagin

Answer 12

dermis; tensile strength & structural support to skin

Question 13

elastin

Answer 13

dermis; skin’s elasticity & resilience

Question 14

melanin

Answer 14

epidermis; absorb & scatter UV rays, protecting skin & DNA from damage by darkening skin

Question 15

1st degree burn damage

Answer 15

epidermis

Question 16

1st degree burn side effects

Answer 16

skin is red & painful, no blisters w/ mild swelling & tenderness

Question 17

1st degree burn causes

Answer 17

brief sunburn, hot surfaces, mild scalds

Question 18

1st degree burn impact

Answer 18

may cause discomfort & temporary damage, rarely any effects on rest of body

Question 19

2nd degree burn damage

Answer 19

epidermis & upper dermis

Question 20

2nd degree burn side effects

Answer 20

skin is red, blistered, swollen, and often painful

Question 21

2nd degree burn causes

Answer 21

exposure to hot objects, scalding liquids, prolonged sun exposure

Question 22

2nd degree burn impact

Answer 22

inc infection risk (bc of damage to skin barrier), may lead to scarring, effecting skin appearance & overall health

Question 23

3rd degree burn damage

Answer 23

all layers severely damaged or destroyed

Question 24

3rd degree burn side effects

Answer 24

skin looks charred (white, brown, or black), dry, leathery or nonresponsive to touch, no sensation bc of nerve damage

Question 25

3rd degree burn causes

Answer 25

prolonged exposure to flames, extremely hot liquids, chemicals, electric currents

Question 26

3rd degree burn impact

Answer 26

extensive scarring, loss of skin functions, inc risk of infections, can cause systemic complications (leading to life threatening injuries)

Question 27

4th degree burn damage

Answer 27

all layers are damaged, extending deep into underlying bone & muscle

Question 28

4th degree burn side effects

Answer 28

skin looks charred/blackened, may be entirely destroyed in burned area

Question 29

4th degree burn causes

Answer 29

severe thermal injuries, prolonged exposure to flames, scalding liquid, electric current, chemicals

Question 30

4th degree burn impact

Answer 30

infection, loss of function, extensive scarring (often requiring surgical intervention)