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

Question 1

Integumentary system consists of

Answer 1

Skin
Hair
Nails
Sweat glands
subcutaneous tissue below the skin

Question 2

Largest organ of the body

Answer 2

Skin

Question 3

Major functions of the skin

Answer 3

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

Question 4

Epidermis

Answer 4

Outer portion of the skin

Question 5

Most important layers of the epidermis are:

Answer 5

the inner and outer layers

Question 6

Stratum corneum

Answer 6

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.

Question 7

Stratum germinativum

Answer 7

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

Question 8

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

Answer 8

Epidermal layer

Question 9

Keratinocytes

Answer 9

protein-containing cells that give the skin strength and elasticity

Question 10

Melanocytes

Answer 10

Deeper in the epidermis; produces melanin

Question 11

Melanin

Answer 11

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

Question 12

Langerhans cells

Answer 12

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