Integumentary System

Question 1

Integumentary System

Answer 1

its function is to enclose internal body structures, site of many sensory receptors and vitamin D synthesis

Question 2

What are the 4 function?

Answer 2

Protection, sensory function, thermoregulation, vitamin D synthesis

Question 3

What are the skins three main layers?

Answer 3

Epidermis
Dermis
Hypodermis

Question 4

What are the types of skin?

Answer 4

Thin and thick

Question 5

Keratinocyte

Answer 5

a cell that manufactures and stores the protein keratin.

Question 6

Keratin

Answer 6

an intracellular fibrous protein that give hair, nails, and skin their hardness and water resistant properties

Question 7

stratum basale

Answer 7

deepest epidermal layer

and attaches epidermis to the basal lamina

Question 8

merkel cell

Answer 8

under the stratum basale. function as a receptor and is responsible for stimulating sensory nerves

Question 9

melanocyte

Answer 9

also under the stratum basale. a cell that procudes the pigment melanin. give hair and skin color and protects epidermis from UV

Question 10

stratum spinosum

Answer 10

spiny in appearence

Question 11

stratum granulosum

Answer 11

grainy appearance

Question 12

stratum lucidum

Answer 12

smooth. seemingly translucent

Question 13

stratum corneum

Answer 13

most superficial layer of epidermis. layers of keratinization

Question 14

layers from superficial to deep

Answer 14

Stratum corneum
stratum lucidum
stratum granulosum
stratum spinosum
stratum basale

come
lets
get
sun
burnt

Question 15

hair

Answer 15

keratinous filament growing out of the epidermis. Provides warmth and immune defense

Question 16

Hair follicule

Answer 16

strands originate in an epidermal penetration of the dermis

Question 17

hair shaft

Answer 17

part of the hair not anchored to the follicle and is exposed at skins surface

Question 18

hair root

Answer 18

rest of hair that is anchored in the follicle but lies below surface of the skin

Question 19

free edge

Answer 19

white portion of the nail that consist of dead cells and keratin

Question 20

lunula

Answer 20

white base of a fingernail

Question 21

cuticle

Answer 21

layer of skin located along the bottom edge of your finger or toe

Question 22

nail root

Answer 22

root portion of the nail lies below the skin underneath the nail into the finger

Question 23

eccrine sweat gland

Answer 23

gland that produces a hypotonic sweat for thermoregualtion

Question 24

apocrine sweat glands

Answer 24

usually associated with hair follicles in densely hairy areas.

Question 25

pores

Answer 25

opening in the skin which particles can pass

Question 26

Squamous Cell Carcinoma

Answer 26

2nd most common is skin cancer and more dangerous because it can spread internally. Caused by too much UV exposure affecting DNA. Skin cancer on the epidermis and lining of organs in the body. Treated by being surgically removed.

Question 27

Basal cell Carcinoma

Answer 27

a most common type of skin cancer, caused by sun exposure symptoms are white bumps or dry scaly skin. treat with surgery or medication

Question 28

Eczema

Answer 28

skin condition making your skin red, itchy, and flaky. Genetic symptoms include dry skin and itching and bumps treatment includes no cure but prevention with avoiding harsh soaps.

Question 29

acne

Answer 29

when the pores on your skin become blocked with oil, dead skin, or bacteria. Each pore has sebaceous filaments. treatments cleaning the skin and applying cream or gel.

Question 30

1st-degree burns

Answer 30

affect the epidermis and caused by sunburns or electrical burns. least serious the symptom is peeling or swelling skin treat with cool water and time

Question 31

2nd degree

Answer 31

affect epidermis and dermis. symptoms are blisters treat with cold water

Question 32

3rd-degree burn

Answer 32

affect epidermis and dermis, nerves are dead

Question 33

4th-degree burn

Answer 33

go through both layers of skin and underlying tissue, muscles, and bones. symptoms are a pain. treated with skin grafts and coverings

Question 34

stretch marks

Answer 34

a scar that occurs when the skin stretches or shrinks too quickly like from pregnancy or weight loss. cream can minimize

Question 35

Callus and corn

Answer 35

a small area of thickened skin from repetitive friction, pressure, or irritation. symptoms of pain under the skin treatment is soaking in soapy water