B With puberty some adolescents develop acne C Most effects of aging on the

B with puberty some adolescents develop acne c most

This preview shows page 4 out of 4 pages.

B.With puberty, some adolescents develop acne.C.Most effects of aging on the skin do not occur until an individual reaches the late forties.D.Among the effects of aging on the integument are wrinkling, slower growth of hair and nails, dryness and cracking due to sebaceous gland atrophy, decrease in number of melanocytes (gray hair, blotching)and Langerhans cells (decreased immune responsiveness) and loss of subcutaneous fat (thinner skin).E.Chronic ultraviolet exposure causes photodamage of the skin.IX.Disorders: Homeostatic ImbalancesA.Skin cancercan be caused by excessive exposure to sunlight.1.The three most common forms are basal cell carcinoma, squamous cell carcinoma and malignant melanoma.2.Among the risk factors for skin cancer are skin type, sun exposure, family history, age and immunologic status.B.Burns1.Tissue damage from excessive heat, electricity, radioactivity, or corrosive chemicals that destroys (denatures) proteins in the exposed cells is called a burn.2.Generally, the systemic effects of a burn are a greater threat to life than are the local effects.3.Depending on the depth of damage, skin burns are classified as first-degree, second-degree (partial-thickness) and third-degree (full-thickness).4.The seriousness of a burn is determined by its depth, extent and area involve, as well as the person’s age and general health. When the burn area exceeds 70%, over half the victims die.5.Two methods for determining the extent of a burn are the rule of nines and the Lund-Browder method (Table 5.5).C.Pressure sores, also known as decubitus ulcers, are caused by a constant deficiency of blood to tissues overlying a bony projection that has been subjected to prolonged pressure against object such as a bed, cast, or splint; the deficiency results in tissue ulceration.4
Background image

You've reached the end of your free preview.

Want to read all 4 pages?

  • Summer '18
  • Buenrostro
  • Physiology, Anatomy, Stratum lucidum, Eccrine sweat glands, C. Skin Glands

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture