1
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NACC EXAM Questions and Answers
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largest organ of the body [ Ans: ] skin
The barrier function of the skin includes [ Ans: ] acid mantle
hydro [ Ans: ] water
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two layers or sections of the skin [ Ans: ] epidermis and dermis
Approximately what percentage of water is in healthy skin [ Ans:
] 50-70%
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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
, 2
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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
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_____ are called the burning rays. [ Ans: ] UVB
In order to block UVA and UVB rays, sunscreens must be: [ Ans: ]
broad spectrum
Guru01 - Stuvia
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
For Expert help and assignment solutions, +254707240657
NACC EXAM Questions and Answers
(100% Correct Answers) Already Graded
A+
largest organ of the body [ Ans: ] skin
The barrier function of the skin includes [ Ans: ] acid mantle
hydro [ Ans: ] water
© 2025 Assignment Expert
two layers or sections of the skin [ Ans: ] epidermis and dermis
Approximately what percentage of water is in healthy skin [ Ans:
] 50-70%
Guru01 - Stuvia
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
, 2
For Expert help and assignment solutions, +254707240657
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
© 2025 Assignment Expert
_____ are called the burning rays. [ Ans: ] UVB
In order to block UVA and UVB rays, sunscreens must be: [ Ans: ]
broad spectrum
Guru01 - Stuvia
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
