Wound healing; degrees of burns; cancer; effects of aging on the skin

What are the kinds of wounds?

Partial thickness wound and Full thickness wound

Partial thickness wound

healing happens to superficial wounds that affect only the epidermis

Full thickness wounds

When an injury extends to the dermis and subcutaneous layer

Wound healing steps?

Inflammation; proliferation; maturation

First degree burns

superficial burn that affects only the epidermis

Second degree burn

partial thickness burn that affects both epidermis and dermis

Third degree burn

full thickness burn that affects epidermis, dermis, and hypodermis

Fourth degree burn

burn that goes to the muscle

Fifth degree burn

Burn that goes to the bone

What causes skin cancer?

excessive exposure to UV light

What are the four main types of cancer?

Basal cell cercinoma, Squamous cell carcinoma, malignant melanoma, and actinic keratosis

How many stages of cancer are there?

5 stages of cancer 0-4

Stage 0

cercinoma in early form

Stage 1

localized

Stage 2

early locally advanced

Stage 3

Late locally advanced

Stage 4

metastasized

Signs of caner acronym?

ABCDE

A

Asymmetry of mole

B

abnormal border

C

coloration varies throughout the area

D

Diameter greater than 6mm

E

evolution (change over time)

What changes happen with age?

wrinkles; dehydration and crack occurs in the skin; sweat production decreases; decrease in melanocytes that causes gray hair and atypical skin pigmintation; subcutaneous fat loss resulting in thinner skin; nails become more brittle