Exam 4 (Ch 34- Skin Integrity & Wound Healing) Flashcards Preview

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Flashcards in Exam 4 (Ch 34- Skin Integrity & Wound Healing) Deck (12):
1

Integumentary system consists of

Skin
Hair
Nails
Sweat glands
subcutaneous tissue below the skin

2

Largest organ of the body

Skin

3

Major functions of the skin

Protection of the internal organs, unique identification of an individual, thermoregulation, metabolism of nutrients and metabolic waste products, and sensation

4

Epidermis

Outer portion of the skin

5

Most important layers of the epidermis are:

the inner and outer layers

6

Stratum corneum

Outermost layer of the epidermis; composed of numerous thicknesses of dead cells. Functions as a barrier, restricts water loss and prevents fluids, pathogens, and chemicals from entering the body.

7

Stratum germinativum

Innermost layer of the epidermis; continually produces new cells, pushing the older cells toward the skin surface

8

Keratinocytes, melanocytes, and Langerhan cells are located in the ____

Epidermal layer

9

Keratinocytes

protein-containing cells that give the skin strength and elasticity

10

Melanocytes

Deeper in the epidermis; produces melanin

11

Melanin

Pigment that gives skin its color and provides protection from ultraviolet light

12

Langerhans cells

are mobile; their function is to phagocytize (engulf) foreign material and trigger an immune response