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