WEB WOC Seminars Questions And Answers

How often does epidermal turnover occur? -Answer Every 26-42 days Epidermal Cells: Keratinocytes -Answer Produce keratin, make of 80% of the epidermis Epidermal Cells: Melanocytes -Answer Determine the color of the skin Epidermal Cells: Langerhans Cells -Answer Assist with skin immune system Epidermal Cells: Merkel Cells -Answer Provide tactile reception, produce nerve growth factor Rete Ridges/Pegs -Answer Fingerlike extensions that anchor the epidermis to the dermis Skin pH -Answer 4.5-6.5 Dermal proteins -Answer Collagen and Elastin Dermal Cells: Fibroblasts -Answer Produce collagen and other proteins Dermal Cells: Mast cells, Macrophages, & Lymphocytes -Answer Cells involved in immune surveillance Dermal appendages -Answer Hair follicles, sebaceous glands, sweat glands, nails Emollients -Answer soften skin an provide lipids (i.e. silicone, dimethicone, lanolin, ceramide Humectants -Answer add water to skin (i.e. urea, lactic acid, glycerin) Moisture Associated Skin Damage (MASD) -Answer inflammation and erosion of the skin caused by prolonged exposure to various sources of moisture Intertriginous Dermatitis (ITD) -Answer a type of MASD, inflammation and skin erosion involving body folds and friction of skin to skin Peristomal MASD (PMASD) -Answer Inflammation and denudation of the peristomal skin associated with effluent exposure such as urine or stool Periwound MASD (PWMASD) -Answer inflammation and erosion of the skin around a chronic wound associated with sustained contact of wound exudate