NACC EXAM Questions and Correct Answers

largest organ of the body Ans: skin The barrier function of the skin includes Ans: acid mantle hydro Ans: water two layers or sections of the skin Ans: epidermis and dermis Approximately what percentage of water is in healthy skin Ans: 50-70% Keratin and intercellular lipids are formed in the Ans: stratum granulosum Which layer of the skin produces melanin Ans: stratum germinativum The junction where the dermis connects to the epidermis is called: Ans: epidermal-dermal junction _____ aid in the production of collagen and elastin. Ans: Fibroblasts Subcutis or _____ tissue is found below the reticular layer. Ans: apidose Identify the slender outgrowth of the scalp. Ans: hair Which fibers stimulate the arrector pili muscles? Ans: motor nerves cells in the basal layer that produce pigment granules Ans: melanocytes The _____ glands excrete sweat. Ans: sudoriferous What do cells need in order to survive? Ans: nourishment, to proliferate, and protection phospholipids, glycolipids, cholesterol, trigylcerides, squalene, and waxes Ans: AKA lipids _____ of cells are replaced by the bod