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NACC EXAM with correct answers.
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NACC EXAM with correct answersskin - ANSWERS✔✔ largest organ of the body
acid mantle - ANSWERS✔✔ The barrier function of the skin includes
water - ANSWERS✔✔ hydro
epidermis and dermis - ANSWERS✔✔ two layers or sections of the skin
50-70% - ANSWERS✔✔ Approximately what percentage of water is in healthy skin
stratum granulosum - ANSWERS✔✔ Keratin and intercellular lipids are formed in the
stratum germinativum - ANSWERS✔✔ Which layer of the skin produces melanin
epidermal-dermal junction - ANSWERS✔✔ The junction where the dermis connects to the epidermis is
called:
Fibroblasts - ANSWERS✔✔ _____ aid in the production of collagen and elastin.
apidose - ANSWERS✔✔ Subcutis or _____ tissue is found below the reticular layer.
hair - ANSWERS✔✔ Identify the slender outgrowth of the scalp.
motor nerves - ANSWERS✔✔ Which fibers stimulate the arrector pili muscles?
melanocytes - ANSWERS✔✔ cells in the basal layer that produce pigment granules
,sudoriferous - ANSWERS✔✔ The _____ glands excrete sweat.
nourishment, to proliferate, and protection - ANSWERS✔✔ What do cells need in order to survive?
AKA lipids - ANSWERS✔✔ phospholipids, glycolipids, cholesterol, trigylcerides, squalene, and waxes
Billions - ANSWERS✔✔ _____ of cells are replaced by the body on a daily basis
free radicals - ANSWERS✔✔ Atoms or molecules with unpaired electrons are called
true - ANSWERS✔✔ True or false: Natural antioxidants are found in the skin.
smoking, tanning, drugs, alchol - ANSWERS✔✔ Which of the following causes premature aging of the
skin?
UV rays - ANSWERS✔✔ Identify the greatest aging effect on the skin:
UVB - ANSWERS✔✔ _____ are called the burning rays.
broad spectrum - ANSWERS✔✔ In order to block UVA and UVB rays, sunscreens must be:
being anti-inflammatory, repairing skin tissue, and having antioxidant properties - ANSWERS✔✔
Estrogen protects the skin by:
preserve, protect - ANSWERS✔✔ An esthetician's primary role is to _____ and nourish the skin.
22 sq ft; 8-10 lbs - ANSWERS✔✔ What is the average square footage and weight of an adult's skin?
, transepidermal water loss - ANSWERS✔✔ What does TEWL stand for?
heal itself - ANSWERS✔✔ The most amazing feature of the skin is its ability to:
sudoriferous - ANSWERS✔✔ Which glands excrete perspiration and detoxify the body?
oxygen, carbon dioxide - ANSWERS✔✔ Skin absorbs______ and expels_____
hair, nails, sweat and oil glands - ANSWERS✔✔ Appendages include:
protection and sensation, heat regulation and secretion, and absorption and excretion - ANSWERS✔✔
Primary functions of the skin include:
outside elements and microorganisms - ANSWERS✔✔ What does the skin protect against?
protect cells from dehydration - ANSWERS✔✔ Lipids
stratum germinativum - ANSWERS✔✔ Mitosis occurs in this layer
papillary and reticular - ANSWERS✔✔ two layers of the dermis
stratum spinosum - ANSWERS✔✔ The _____ is also referred to as the spiny layer.
translucent layer that allows sunlight to pass through the skin - ANSWERS✔✔ describe the stratum
lucidum
stratum germinativum - ANSWERS✔✔ AKA the basal layer
dermis - ANSWERS✔✔ thickest layer of the skin
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