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NACC EXAM Questions & answers
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NACC EXAMlargest 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 body on a daily basis - ANS-Billions
, Atoms or molecules with unpaired electrons are called - ANS-free radicals
True or false: Natural antioxidants are found in the skin. - ANS-true
Which of the following causes premature aging of the skin? - ANS-smoking, tanning,
drugs, alchol
Identify the greatest aging effect on the skin: - ANS-UV rays
_____ are called the burning rays. - ANS-UVB
In order to block UVA and UVB rays, sunscreens must be: - ANS-broad spectrum
Estrogen protects the skin by: - ANS-being anti-inflammatory, repairing skin tissue, and
having antioxidant properties
An esthetician's primary role is to _____ and nourish the skin. - ANS-preserve, protect
What is the average square footage and weight of an adult's skin? - ANS-22 sq ft; 8-10
lbs
What does TEWL stand for? - ANS-transepidermal water loss
The most amazing feature of the skin is its ability to: - ANS-heal itself
Which glands excrete perspiration and detoxify the body? - ANS-sudoriferous
Skin absorbs______ and expels_____ - ANS-oxygen, carbon dioxide
Appendages include: - ANS-hair, nails, sweat and oil glands
Primary functions of the skin include: - ANS-protection and sensation, heat regulation
and secretion, and absorption and excretion
What does the skin protect against? - ANS-outside elements and microorganisms
Lipids - ANS-protect cells from dehydration
Mitosis occurs in this layer - ANS-stratum germinativum
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