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NACC EXAM (Physiology And Histology Of The Skin, D&D, Facial Machinery) – Q&A $14.99   Add to cart

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NACC EXAM (Physiology And Histology Of The Skin, D&D, Facial Machinery) – Q&A

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NACC EXAM (Physiology And Histology Of The Skin, D&D, Facial Machinery) – Q&A

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  • December 17, 2023
  • 16
  • 2023/2024
  • Exam (elaborations)
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NACC EXAM (Physiology And Histology Of The
Skin, D&D, Facial Machinery) – Q&A
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 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

two layers of the dermis ✔️Ans - papillary and reticular

The _____ is also referred to as the spiny layer. ✔️Ans - stratum spinosum

Describe the stratum lucidum ✔️Ans - translucent layer that allows sunlight
to pass through the skin

AKA the basal layer ✔️Ans - stratum germinativum

Thickest layer of the skin ✔️Ans - dermis

Cell division ✔️Ans - mitosis

Acid mantle ✔️Ans - protective barrier made up of sebum, sweat, water and
lipids

TEWL ✔️Ans - transepidermal water loss

When outside temperatures change the skin adjusts to ✔️Ans - warm or cool
the body

Sebaceous gland AKA ✔️Ans - oil gland

Epidermis composed of ___ layers ✔️Ans - 5

Layers of the epidermis ✔️Ans - Corneum, Lucidum, Spinosum, Granulosum,
Germinativum

Keratinocyte ✔️Ans - keratin protein cells

Keratin ✔️Ans - protein that makes up the hair, skin and nails

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