Integumentary System

Question 1

Protection

Answer 1

The skin protects the rest of the body from the basic elements of nature such as, wind, water, and UV sunlight

Question 2

Sensory Function

Answer 2

The skin acts as a sense organ. The epidermis, dermis, and the hydrodermis contain specialized sensory nerve structures that detect touch, surface temperature, and pain.

Question 3

Thermoregulation

Answer 3

Helps regulate body temperature through its tight association with the sympathetic nervous system, involves the flight or fight response.

Question 4

Vitamin D Synthesis

Answer 4

In the presence of sunlight, a form of vitamin D3 called cholecalciferol is synthesized in the skin.

Question 5

Keratinocyte

Answer 5

A cell that manufactures and stores the protein keratin

Question 6

Keratin

Answer 6

Intracellular fibrous protein that gives hair, nails, and skin their hardness and water-resistant properties

Question 7

Thin skin

Answer 7

stratum corneum, stratum lucidum, stratum granulosum

Question 8

thick skin

Answer 8

Only found on the palms of hands and the soles of the feet

Question 9

Three main skin layers

Answer 9

Epidermis, Dermis, Hypodermis

Question 10

Stratum Corneum

Answer 10

The layer exposed to outside movement

Question 11

Stratum Lucidum

Answer 11

Smooth, seemingly translucent layer of the epidermis. Only found on palms, soles, and digits

Question 12

Stratum Granulosum

Answer 12

Grainy appearance, the cells become flatter, their cell membranes thicken,

Question 13

Hair

Answer 13

A keratinous filament growing out of the epidermis

Question 14

Hair Follicle

Answer 14

Strands of hair originate in an epidermal penetration of the dermis

Question 15

Hair Shaft

Answer 15

Part of the hair not anchored to the follicle, and much of this is exposed at the skin’s surface.

Question 16

Hair Root

Answer 16

The rest of the hair, which is anchored in the follicle, and lies bellow the surface of the skin

Question 17

Free Edge

Answer 17

Part of nail that extends past the flesh of finger or toe

Question 18

Lunula

Answer 18

A crescent shape is formed where a thick layer of epithelium lays.

Question 19

Eponychium (cuticle)

Answer 19

The nail fold that meets the proximal end of the of the nail body

Question 20

Nail Root

Answer 20

The nail body forms here, has a matrix of keratinocytes

Question 21

Pores

Answer 21

A minute opening in a surface, especially the skin or integument or an organism, through which gases, liquids, or microscopic particles can pass

Question 22

Eccrine

Answer 22

A type of gland that produces a hypotonic sweat for thermoregulation

Question 23

Apocrine

Answer 23

Associated with hair follicles in densely hairy areas

Question 24

Basal Cell Carcinoma

Answer 24

Cancer that forms in your basal cells. You can get it from sun exposure, Forms in deep layer of epidermis.

Question 25

Squamous Cell Carcinoma

Answer 25

Found on your epidermis, caused from being exposed from UV light and genetics. Can be treated with surgery

Question 26

Melanoma

Answer 26

Skin cancer that forms in melanocytes that make melanin. Can be treated by immunotherapy and targeted drugs. Looks like sores, redness, and swelling.

Question 27

Eczema

Answer 27

Skin condition where your skin becomes red, dry, and itchy, Is genetic, can be treated with medical creams or ointments.

Question 28

Acne

Answer 28

Pores of skin becomes blocked with oil, dead skin, or bacteria. Can be treated by double cleansing, spot treatment, light moisturizer, etc..

Question 29

1st Degree Burns

Answer 29

Affect the epidermis, caused by sunburns, scalding, and electrical burns, symptoms are peeling skin, redness, swelling, treatments are aloe Vera, moisturizer, cool water.

Question 30

2nd Degree Burns

Answer 30

Affects the epidermis and dermis, causes blistering, redness

Question 31

4th Degree Burns

Answer 31

Go through both layers of skin and deep tissue. No feeling since the nerve ending are destroyed, bandage or cloth can help heal and protect it.

Question 32

Stretch Marks

Answer 32

Type of scar that occurs when the skin stretches or shrinks quickly. Can fade as time goes on

Question 33

Callus

Answer 33

Small area of thickened skin that forms from repetitive friction, pressure or irritation. pain or tenderness under the skin. Can be treated by soaking are in warm water with a pumice store.