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

1
Q

Integumentary system consists of

A
Skin
Hair
Nails
Sweat glands
subcutaneous tissue below the skin
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2
Q

Largest organ of the body

A

Skin

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3
Q

Major functions of the skin

A

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

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4
Q

Epidermis

A

Outer portion of the skin

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5
Q

Most important layers of the epidermis are:

A

the inner and outer layers

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6
Q

Stratum corneum

A

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.

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7
Q

Stratum germinativum

A

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

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8
Q

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

A

Epidermal layer

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9
Q

Keratinocytes

A

protein-containing cells that give the skin strength and elasticity

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10
Q

Melanocytes

A

Deeper in the epidermis; produces melanin

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11
Q

Melanin

A

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

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12
Q

Langerhans cells

A

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

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