WEB WOC SEMINARS QUESTIONS WITH CORRECT ANSWERS

How often does epidermal turnover occur? - Every 26-42 days Epidermal Cells: Keratinocytes - Produce keratin, make of 80% of the epidermis Epidermal Cells: Melanocytes - Determine the color of the skin Epidermal Cells: Langerhans Cells - Assist with skin immune system Epidermal Cells: Merkel Cells - Provide tactile reception, produce nerve growth factor Rete Ridges/Pegs - Fingerlike extensions that anchor the epidermis to the dermis Skin pH - 4.5-6.5 Dermal proteins - Collagen and Elastin Dermal Cells: Fibroblasts - Produce collagen and other proteins Dermal Cells: Mast cells, Macrophages, & Lymphocytes - Cells involved in immune surveillance Dermal appendages - Hair follicles, sebaceous glands, sweat glands, nails Emollients - soften skin an provide lipids (i.e. silicone, dimethicone, lanolin, ceramide Humectants - add water to skin (i.e. urea, lactic acid, glycerin) Moisture Associated Skin Damage (MASD) - inflammation and erosion of the skin caused by prolonged exposure to various sources of moisture Intertriginous Dermatitis (ITD) - a type of MASD, inflammation and skin erosion involving body folds and friction of skin to skin Peristomal MASD (PMASD) - Inflammation and denudation of the peristomal skin associated with effluent exposure such as urine or stool Periwound MASD (PWMASD) - inflammation and erosion of the skin around a chronic wound associated with sustained contact of wound exudate Incontinence Associated Dermatitis (IAD) - a type of MASD, inflammation caused by the prolonged exposure to urine, feces, or dual incontinence Medical Adhesive-Related Skin Injury (MARSI) - erythema (or other manifestation) of cutaneous abnormality that persists 30 minutes of more after removal of adhesive dressing or tape, types: maceration, mechanical trauma (i.e. skin tear), tension blister, folliculitis What is the key indicator of undernutrition? - unintended weight loss, 5% loss in body weight in 1 month or 10% loss in body weight in 6 months WOC nursing products & services - direct assessment and management, planning, education, cost reduction, risk reduction Iron function - hemoglobin formation, oxygen transport, collagen formation Iron sources - liver, lean meat, poultry, oysters, dried beans, fortified cereals Zinc function - cofactor for collagen synthesis Zinc sources - Seafood, meat, liver, milk, eggs, wheat germ, whole wheat bread Copper function - essential for cross-linking of collagen, assists in RBC formation Copper sources - nuts, dried fruit and beans, whole grain cereal, organ meats