Quiz 1 Flashcards
What is epidermis primary role?
- protection
- moisture retention
What is the epidermis made of?
dead cells
is avascular
What is the role of the dermis?
- structural integrity
- nutrition/hydration to epidermis
- regulate body temp
Rete peg region
- between epidermal and dermal ridge
- increases SA
- protects against friction
What is in the subcutaneous layer?
- CT
- fat
- Blood vessels
- lymphatics
- nerves
Role of subcutaneous layer
- blood supply
- insulation/cushioning
3 types of wound thickness
- superficial
- partial thickness
- full thickness
Superficial wounds (types)
-involves epidermis
1st burns, stage 1 pressure, contusion
Partial thickness (types)
involves dermis
-abrasion, skin tears, S2 pressure ulcer
2nd burn
Full thickness wound (types)
includes all layers and extends into underlying tissue
-3rd burns, deep wounds into muscle and bone
How do superficial wounds heal?
inflammatory response
How do partial thickness wounds heal?
epithelialization
How do full thickness wounds heal?
-intention/proliferation
Primary intention healing
-edges sutured by surgeon
Secondary intention healing
-contraction and granulation in open thickness
