professional nursing
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Epidermis Layer: | several thin layers:
Melanocytes--melanin
Keratinocytes (waterproof layer)--keratin
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| Dermis Layer: | composed of a thick layer of skin; contains collagen and elastic fibers, nerve fibers, blood vessels, sweat and sebaceous glands, and hair follicles
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| Subcutaneous Layer: | composed of a fatty layer of skin; contains blood vessels, nerves, lymph, and loose connective tissue filled with fat cells
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| First line of Defense Against Infection: | Skin.
- identifying risk pts risk for pressure ulcers and detection of any break in the skin are important in preventing infection
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| Melanocytes (melanin): | a pigment that gives the skin its color and protects from ultraviolet radiation
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| Keratinocytes (keratin): | waterproof layer of protein that gives it tough protective quality
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| Protection: | intact skin prevents invasion of the body of bacteria
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| Thermoregulation: | facilitates heat loss and cools and warms the body when necessary
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| Perspiration: | cools the body through evaporation also prevents perspiration to inhibit cooling
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| Vasodilation: | increase he blood supply to the skin surface facilitating in heat loss through radiation and conduction
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| Vasoconstriction: | decrease blood supply to prevent heat loss
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| Fluid and Electrolyte: | prevents escape of H2O and electrolytes
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| Vitamin D: | facilitates synthesis of Vit D through conversion of initial precursor to the second precursor of the vitamin in the skin by the sun’s ultraviolet rays
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| Sensation: | body receives stimuli from the environment by activation of the skin receptors for pain, touch, pressure and temperature
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| Psychosocial: | contributes to positive body image
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