WEB WOC Seminars q&a

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