Chapter 5-Integumentary System

Question 1

3 layers of the skin

Answer 1

epidermis
dermis
hypodermis

Question 2

Function of Skin

Answer 2

• regulate body temp
• manufacture vitamin d
• nerve receptors
• protect against uv radiation

Question 3

Epidermis is….?

Answer 3

the outermost covering

-avascular

Question 4

Dermis is a…?

Answer 4

connective tissue

-vascular

Question 5

keratinocytes

Answer 5

waterproof layer

Question 6

merkel cells

Answer 6

sensory receptor for touch

Question 7

melanocytes

Answer 7

protector from UV rays

-makes protein melanin

Question 8

langerhans cells

Answer 8

defend against microorganisms

Question 9

Epidermal Layer

-Stratum Germinativum

Answer 9

where cells are dividing

Question 10

Epidermal Layer

-stratum spinosum

Answer 10

cells binding

Question 11

Epidermal Layer

-stratum granulosum

Answer 11

cells begin to die

Question 12

Epidermal Layer

-stratum lucidum

Answer 12

thick skin

- found at heel of feet and palms

Question 13

Epidermal Layer

-stratum corneum

Answer 13

surface layer

Question 14

Dermis / Corium

Answer 14

• thicker, inner layer of the skin
• many nerve receptors
• blood vessels + heat regulation

Question 15

Subcutaneous Layer/ Hypodermis

Answer 15

lies under dermis

Question 16

Appendages Hair

- Rooft shaft

Answer 16

underneath skin

Question 17

Appendages Hair

-hair follicle

Answer 17

route is embedded

Question 18

Appendages Hair

-arrector pili muscle

Answer 18

is what creates goosebumps

Question 19

Appendages Nail

Answer 19

• Hard surfaces
• Nail bed
• Disease and nail color

Question 20

Appendages Sweat Glands

Answer 20

Perspiration 99% -water excreted through pored

500ml water lost per day

Question 21

Aging

Answer 21

fragile and dry

loss of elasticity

less effective body temp. control

melanocytes decrease

look of subcutaneous fat

Question 22

acne

Answer 22

common and chronic disorder of sebaceous glands

Question 23

athletes foot

Answer 23

contagious fungi infection

Question 24

Dermatitis

Answer 24

inflammation of the skin

Question 25

eczema

Answer 25

acute or chronic, noncontagious inflammatory skin disease

Question 26

impetigo

Answer 26

acute inflammatory and contagious disease

Question 27

psoriasis

Answer 27

chronic inflammatory skin disease

Question 28

ringworm

Answer 28

highly contagious fungal infection

Question 29

urticaria (hives)

Answer 29

intensely itching wheals or welts

Question 30

boils (carbuncles)

Answer 30

bacterial infection of the hair follicles or sebaceous glands

Question 31

rosacea

Answer 31

common inflammatory disorder/ chronic redness

Question 32

Herpes

Answer 32

viral infection

Question 33

herpes simplex

Answer 33

cold sore

Question 34

herpes genital

Answer 34

virus | blisters in gentitals

Question 35

herpes zoster

Answer 35

shingles and chicken pox

Question 36

head lice

Answer 36

parasitic insects

Question 37

basal cell carcinoma

Answer 37

most common least malignant on face treated with cryosurgery

Question 38

squamous cell carcinoma

Answer 38

moves rapidly on scalp and lip treated with surgery or radiation

Question 39

malignant melanoma

Answer 39

irregularly shaped in melanocytes spreads rapidly treated with chemotherapy

Question 40

A. B C D

Answer 40

assymetry border irregularity color diameter

Question 41

ulcer stage 1

Answer 41

area red

Question 42

ulcer stage 2

Answer 42

skin blistering

Question 43

ulcer stage 3

Answer 43

ulcer broken through all layers

Question 44

ulcer stage 4

Answer 44

ulcer goes through skin and muscles to the bones