NurseReview.Org - Skin Hair & Nails

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  • excellent presentation very very helpful for students and teachers as well
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  • Found a helpful website that I thought may help others. This website has practice exams for various nursing classes as well as videos, presentations, notes, nclex help, and many other tools that already are helping me. Hope they help :-)
    www.RNpedia.com
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NurseReview.Org - Skin Hair & Nails

  1. 1. Skin, Hair and Nails
  2. 2. Skin <ul><li>2 Layers of Skin </li></ul><ul><ul><li>Outer Epidermis </li></ul></ul><ul><ul><li>Inner supportive Dermis </li></ul></ul><ul><li>3 rd Layer of Subcutaneous Adipose </li></ul>
  3. 3. Epidermis <ul><li>Protective </li></ul><ul><li>Stratified into several zones </li></ul><ul><ul><li>Basal cell layer = forms new skin cells </li></ul></ul><ul><ul><li>Keratin = major ingrediant </li></ul></ul><ul><ul><li>Melanin = # but amt of production varies </li></ul></ul><ul><li>Uniformly thin except on palms and soles </li></ul><ul><li>Avascular </li></ul>
  4. 10. Vesicle, Bulla
  5. 13. Skin Color <ul><li>Melanin </li></ul><ul><li>Carotene pigment </li></ul><ul><li>Vascular beds in the dermis </li></ul><ul><li>Affected by skin thickness & edema </li></ul>
  6. 14. Dermis <ul><li>Supportive layer </li></ul><ul><li>Collagen </li></ul><ul><li>Elastic quality for stretching </li></ul><ul><li>Nerves, sensory receptors, bld. vessels, lymphs </li></ul><ul><li>Epidermis appendages = hair follicles, sebacceous glands, sweat glands embedded in the dermis </li></ul>
  7. 15. Hair <ul><li>Important because? </li></ul><ul><li>Threads of keratin </li></ul><ul><li>2 types </li></ul><ul><ul><li>Vellus hair- over body </li></ul></ul><ul><ul><li>Terminal hair </li></ul></ul>
  8. 16. Glands <ul><li>Sebaceous Glands </li></ul><ul><ul><li>Sebum = protective lipid substance </li></ul></ul><ul><ul><ul><li>Lubricates hair& skin </li></ul></ul></ul><ul><ul><ul><li>prevents water loss </li></ul></ul></ul><ul><ul><ul><li>everywhere but palms & soles </li></ul></ul></ul><ul><li>Sweat Glands </li></ul><ul><ul><li>Eccrine = skin surface- sweat </li></ul></ul><ul><ul><li>Apocrine = thick, milky secretion – axilla, anogenital, nipples, navel. </li></ul></ul>
  9. 17. Nails <ul><li>Keratin </li></ul><ul><li>Color </li></ul><ul><li>Condition </li></ul><ul><li>Shape, Profile sign </li></ul>
  10. 18. Function of Skin <ul><li>Protection </li></ul><ul><li>Prevents penetration </li></ul><ul><li>Perception </li></ul><ul><li>Temperature regulation </li></ul><ul><li>Identification </li></ul><ul><li>Communication </li></ul><ul><li>Wound repair </li></ul>
  11. 19. Function of Skin <ul><li>Absorption & excretion </li></ul><ul><li>Vitamin D – ultraviolet light > cholesterol </li></ul>

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