Burns and Wounds Quiz

1st degree burn

top layer, skin red and dry, lasts 5 to 6 days, no scars (sunburn, curling iron, etc.)

2nd degree burn

red, blisters, painful, often swells, takes 3 to 4 weeks to heal (car muffler)

3rd degree burn

destroys all the layers and tissues underneath, sometimes destroys bones, looks brown or blackish, can be pain free (house fire, vehicle, etc.)

Contusion

Damage to soft tissues and blood vessels causes bleeding under the skin

Incision

A cut with smooth edges

Puncture

A pointed object pierces the skin

Avulsion

A portion of the skin is partially or completely torn away

Laceration

A cut with jagged edges

Abrasion

Skin is rubbed or scraped away

Foods for good skin

Protein

Zinc

Vitamin A

Vitamin C

Epidermis

Covers the skin; constantly shedding skin; 5 sublayers

Dermis

Sweat and oil glands, nerve endings, and connective tissues; provides structure

Subcutaneous tissue (fat)

Attached to your muscles; insulation/shock absorber for you organs

Skin healing steps

1) Hemostasis (blood clotting)

2) Inflammation

3) Proliferation (white blood cells)

4) Remodeling (new skin forms)