Ch 4 PP Terms

Question 1

the integumentary system

Answer 1

skin, hair, nails, glands; retains body fluids, protects from disease, eliminates waste, and collects sensory information

Question 2

skin

Answer 2

largest organ; barrier that protects body from outside world

Question 3

epidermis

Answer 3

outermost layer of skin; has 4-5 layers

Question 4

stratum basale

Answer 4

deepest layer of epidermis; produces new skin cells which die and fill with keratin as they rise to the skin’s surface

Question 5

stratum corneum

Answer 5

outermost layer of epidermis; dead, protective cells that are constantly replaced

Question 6

melanin

Answer 6

made my melanocytes; gives color to skin and protects against the sun

Question 7

dermis/corium

Answer 7

layer beneath the epidermis; contains sweat glands and nerves and blood etc.

Question 8

subcutaneous tissue

Answer 8

hypodermis; beneath the dermis; adipose tissue

Question 9

sudoriferous glands

Answer 9

sweat glands; regulate body temperature by releasing sweat that evaporates

Question 10

sebaceous glands

Answer 10

release sebum that lubricates hair and skin

Question 11

hair

Answer 11

nonliving material, mainly keratin; functions protectively

Question 12

nail

Answer 12

nonliving material, mainly keratin; functions protectively

Question 13

cutaneous

Answer 13

pertaining to the skin

Question 14

derma

Answer 14

skin

Question 15

hair follicle

Answer 15

The sheath in which a hair develops

Question 16

keratin

Answer 16

a protein that thickens and toughens the skin; makes up hair and nails

Question 17

sebum

Answer 17

a fatty secretion of the sebaceous glands that lubricates skin and hair

Question 18

cicatrization

Answer 18

scar formation over a wound

Question 19

debridement

Answer 19

removal of dead/damaged tissue to promote healing

Question 20

skin graft

Answer 20

used for deep wounds; full-thickness SG or split-thickness SG

Question 21

rule of nines

Answer 21

method used to estimate extent of burn to body surface area

Question 22

necrotic

Answer 22

dead/dying

Question 23

pressure ulcers

Answer 23

necrotic skin lesions on area of body where there is a lot of pressure

Question 24

skin cancer

Answer 24

most common type of cancer; caused by UV rays most often

Question 25

atopic dermatitis

Answer 25

hereditary, allergic, chronic inflammation of the skin with pruritus

Question 26

basal cell carcinoma

Answer 26

epithelial tumor that rarely metastasizes and has a high cure rate with Sx

Question 27

dehiscence

Answer 27

splitting of a wound open

Question 28

dermatitis

Answer 28

inflammation of the skin

Question 29

dermatome

Answer 29

instrument for cutting thing sections of skin for skin grafting

Question 30

eczema

Answer 30

inflammation of the skin with redness, lesions, pruritus

Question 31

erythema

Answer 31

diffuse redness of the skin

Question 32

escharotomy

Answer 32

removal of scab resulting from skin injury

Question 33

evisceration

Answer 33

protrusion of internal organs through a wound

Question 34

exudate

Answer 34

material that escapes from damaged tissue such as fluid, cells, pus, blood

Question 35

kaposi sarcoma

Answer 35

cancerous lesion of skin and other tissues; seen most often in pts with AIDS

Question 36

keloid

Answer 36

raised scar caused by tissue overgrowth during scar formation