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blonidevw67
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28878
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VN
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2010-08-05 15:48:19
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CH 43
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  1. alopecia
    the loss of hair
  2. autograft
    surgical transplantation of any tissue from one part of the body to another location in the same individual
  3. contracture
    shortening or tension of muscle that affects extension
  4. major organ of the body
    the skin is the outer covering of the body
  5. integumentary system
    hair nails special glands and skin
  6. function of the skin
    its main function is homeostasis and protection of the internal organs.
  7. function of the skin
    protection from the environment
    • pathogenic organis,foreign substance,natural barrier against infection
    • temp regulation
    • prevention of dehydration
    • excretion of waste products
    • vitamin d sythesis
  8. protection
    within the skin are
    sensory receptos that receive information about the environment
  9. message about
    heat cold pressure and touch are received and relayed to the centeral nervous system for interpertation
  10. the skin aids in
    eliminitation of waste products,prevents dehydration and serves as a resorvoir for food and water
  11. temp regulation
    skin assist the body in mainitaing a constant temp under varying internal and external conditions
  12. blood vessles _____ when cold
    constrict
  13. blood vessels ______ when hot to release moisture
    dilate
  14. sweat glands release
    moisture which results in cooling as the moisture evaporate.
  15. a layer of adipose tissue...
    works as an insulator by retaining heat
  16. vitamin d
    cholesterol compounds located in the skin are converted to vitamin d when exposed to ultraviolet rays of the sun.
  17. vitamin d is necessary for
    healthy bone development
  18. structure of the skin
    skin consist of two layers
    outer epidermis and inner dermis( or cornium)
  19. epidermis
    THE SUPERSICIAL FACIA MADE UP OF AN OUTER DEAD,CORNIFIED PORTION AND A DEEP LIVING CELLULAR PORTION. IS COMPOSED OF STRATIFIED SQUAMOUS EPITHELIUM
  20. EPIDERMIS IS DiVIDED INTO LAYERS OR STRATA
    inner layer and outer layer
  21. inner layer
    • stratum germinatyium
    • is the only layer of the epidermis able to undergo cell division and reproduce itself
  22. outer layer
    • stratum corneum
    • they are flat and the cell structure is filled with a protein called keratin(horn) (horny layer)
  23. keratin(protein)
    makes the cell dry though and somewhat water proof
  24. melanocytes
    layer in the epidermis contains highly specialized cells
  25. melanin
    a black or dark brown pigment occuring naturally in the hair skin iris and chroid of the eye, which is responsible for the skins color.
  26. DERMIS
    CORIUM
    TRUE SKIN
  27. DERMIS CONTAINS
    GLANDS AND HAIR FOLLICLES. IT VARIES IN THICKNESS THROUGHOUT THE BODY BUT TENDS TO BE THICKEST IN THE PALMS AND SOLES. THE DERMIS IS COMPOSED OF CONNECTIVE TISSUE WITH CELLS SCATTERED AMONG COLLAGEN AND ELASTIC FIBERS
  28. COLLAGEN
    GIVES STRENGTH TO THE DERMIS WHEREAS THE ELSATIC CONNECTOVE FIBERS GIVE FLEXIBILITY
  29. PAPILLE
    LOWER EPIDERMAL LAYER
  30. SUB Q LAYER
    SUPERFICIAL FASCIA THE LAYER OF TISSUE DIRECTLY BENEATH THE DERMIS THAT CONNECT TO THE SKIN MUSCLE SURFACE
  31. SUB Q LAYER IS COMPOSED OF
    ADIPOSE TISSUE AND LOOSE CONNECTIVE TISSUE
  32. FUNCTIONS OF THE SUBQ LAYER
    • STORES WATER AND FAT
    • INSULATES THE BODY
    • PROTECTS THE ORGANS LYING BENEATH IT AND PROVIDE A PATHWAY FOR NERVES AND BLOOD VESSELS
  33. SUDORIFEROUS GLANDS
    SWEAT GLANDS
    ARE COILED TUBELIKE STRUCTURES LOCATED IN THE DERMIS AND SUB Q LAYE. THE TUBES OPEN INTO PORES ON THE SKIN SURFACE
  34. HOW MANY SWEAT GLANDS LOCATED THROUGHOUT THE INTEGUMENTARY SYSTEM
    3 MILLION SWEAT GLAND
  35. SWEAT GLANDS
    EXCRETE SWEAT WHICH COOLS THE BODY SURFACE.
  36. SWEAT IS COMPOSED OF
    WATER SALTS UREA URIC ACID AMONIA SUGAR LACTIC ACID AND ASCORBIC ACID
  37. CERUMINOUS GLANDS "SUDORIFEROUS GLANDS
    THEY SECRETE A WAX LIKE SUBSTANCE CALLED CERUMEN AND ARE LOCATED IN THE EXTERNAL EAR CANAL
  38. SEBACEOUS GLANDS (OIL GLANDS)
    SEBACEOUS GLANDS SECRETE THEIR SUBSTANCE THROUGH THE HAIR FOLICLE DISTRUBETED THROUGH THE BODY
  39. FUNCTION OF THE SEBACEOUS GLANDS
    LUBRICATE THE SKIN HAIR THAT COVERS THE BODY SEBUM ALSO INHIBITS BACTERIA GROWTH
  40. The nurse should ask about the following
    • recent skin lesions or rashes
    • -where the lesions first appeared and how long the lesions have been present
  41. the color of the skin depends on many physiological factors including the following
    • amount of hemoglobin in the blood
    • oxygen saturation in the blood
    • amount of substance such as bilirubin,urea,other chemical in the blood
    • quality and quantity of blood circulating in the superficial blood vessels
    • amoutn of melanin in the epidermis
  42. discuss the primary functions of the integumentary system
    the skin is the major organ is the oter covering of the body and together with its appendages hair nails and special glands make up the integumentary system
  43. discuss the functions of the three major glands
    • sudoriferous glands
    • (sweat gland)-are coiled like tubelike structure located in the dermis and sub q layer, These layer excrete sweat which coold the body surface. sweat is composed of sugars slat urea,uric acid amonia sugar,and ascorbic acid lactic acid
    • Ceruminous Glands
    • (ear wax)located in the external ear canal they secrete a wax like substance called cerumen
    • sebaceous (oil )glands- secrete theri own substance sebum(an oily secretion ) through the hair follicles distruted on the body
  44. LOSS OF EPIDERMIS AND DERMIS;CONCAVE;VARIES IN SIZE
    PRESSURE SORES STASIS ULCER
    ULCER
  45. ELEVATED;CIRCUMSCRIBED SUPERFICIAL NOT INTO DERMIS;FILLED WITH SEROUS FLUID;LESS THAN 1 CM IN DIAMETER
    VARICELLA(CHICKEN POX,HERPES
    VESICLE
  46. ELEVATED AND SOILED LESION MAY OR MAY NOT BE CLEARLY DEMACRATED DEEPER IN DERMIS GREATER THAN 2 CM IN DIAMETER
    (NEOPLASM,BENIGN TUMOR,LIPOMA,HEMANGIOMA
    TUMOR
  47. A FLAT CIRCUMSCRIBED AREA THAT IS A CHANGE IN THE COLOR OF THE SKIN;LESS THAN 1 CM IN DIAMETER
    (FRECKLES,FLAT MOLES(NEVI) PETECHIAE MEASELS SCARLET FEVER
    MACULE
  48. A FLAT NON PALPAble irregularly sheped macule more than 1 cm in diameter
    vitiligo,port wine stains,mongolian spots,cafe au lait spots
    patch
  49. loss of the epiderms linear hollowed-out crust area
    (abrasion or scratch,scabies)
    excoriation

  50. an elevated firm circumscribed area less than 1 cm in diameter(wart elevated moles lichen planus
    papule
  51. fine irregular red lines produced by capillary dialtion
    telangiectasia
  52. elvated circumscribed encapsulated lesion in dermis or sub q layer filled with liquid or semisoid material
    (subaceous cyst cystic acne )
    cyst
  53. elevated superficial lesion similar to a vesicle but filled with purulent fluid
    imetigo acne
    pustule
  54. heaped up keatinized cells flaky skin irregular thick or thin dry or oily variation in size
    scale
  55. irregular shaped elevated progressively enlarging scar; grown beyond the bounderies of the wound caused by excessive collagen formation during healing
    keloid
  56. rough thickened epidermis secondary to persistant rubbing itching or skin irritation often involves flexor surface of extremities
    chronic dermatitis
    lichenification
  57. thin to thick fibrous tissue that replaces normal skin following injury or lcaeration to the dermis
    (healed wound or incision )
    scar
  58. elevated firm circumscribed lesion deeper in dermis than a papule 1 to 2 cm in diameter
    nodule
  59. vesible grezater than 1 cm in diameter
    (blister, pemphigus vulgaris )
    bulla
  60. thinning of the skin surface and loss of skin mark =ings skin translucent and paper like
    striage aged skin
    atrophy
  61. dried cerum blood or purulent exudate slightly elevated size varies brown red black tan or straw scab on abrasion eczema
    crust
  62. linear crack or break form the epidermis to the dermis may be moist or dry
    fissure
  63. loss of part of the epidermis depressed moist glistening follows rupture of a vesicle or bulla
    erosion
  64. elevated irregularly shaped area of cutaneous edema solid transient variable diameter
    wheal

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