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Ch. 3- Skin Structure and Growth > Skin > Flashcards

Skin Flashcards

1
Q

Cosmetologist should have a thorough understanding of skin structure and growth because

A

Knowing the skins underlying structure and needs is crucial to providing excellent skin care for clients

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2
Q

A physician who specializes in disease and disorders of the skin hair and nails is known as

A

Dermatologist

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3
Q

The outermost and thinnest layer of the skin and is made up of five layers called stratum.

A

Epidermis

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4
Q

What role does the barrier function play in the skin?

A

It keeps the skin moist by preventing water evaporation.

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5
Q

What is the skins underlying layer and extends to form the subcutaneous tissue

A

Dermis

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6
Q

What is a function of subcutaneous tissue

A

It gives the body smoothness and contour

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7
Q

What controls the flow of sebum to the surface of the skin?

A

Secretory nerve tissue

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8
Q

Which Nerve fibers send messages to the central nervous system and brain to react to heat, cold, touch, pressure, pressure and pain?

A

Sensory nerve fibers

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9
Q

What are the tiny grains of pigment deposited into cells in the stratum germinativum layer of the epidermis and papillary layers of the dermis?

A

Melanin

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10
Q

Differences in genetic skin color among people are due to what?

A

The amount of melanin activated in the skin and the way it is distributed

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11
Q

A physician who specialized in diseases and disorders of the skin, hair, and nails is known as

A

Dermatologist

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12
Q

What is the fibrous protein that is also the principal component of the skin, hair, and nails?

A

Keratin

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13
Q

What is the deepest layer of the dermis that supplies the skin with oxygen and nutrients?

A

Reticular Layer

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14
Q

What fibers exclusively transmit impulses from the brain or spinal cord to the muscles or glands?

A

Motor never fibers

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15
Q

Skin color-whether fair, medium, or dark- depends primarily on what?

A

Melanin

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16
Q

What is a function of melanin?

A

Protects by absorbing and blocking UV radiation

17
Q

What is a function of melanin?

A

Protects by absorbing and blocking UV radiation

18
Q

Daily use of a broad-spectrum sunscreen w spf of 15 or higher can…

A

Aid melanin to help skin not burn, avoid skin cancer, and prevent premature aging

19
Q

What is the type of melanin that is red to yellow and color?

A

Pheomelanin

20
Q

What type of melanin is dark brown to black in color?

A

Eumelanin

21
Q

The skin gets its stretch, form and flexibility from two protein fibers found within the what?

A

Dermis

22
Q

What is the fibrous connective tissue made from protein that gives the skin form and strength?

A

Collagen

23
Q

What weakens collagen?

A

Age

24
Q

What does elastin do?

A

It gives skin elasticity and flexibility

25
Q

What is most likely to slow the weakening of collagen and elastin fibers and helps the skin look younger longer?

A

Disease free skin

26
Q

What gland excrete perspiration and detoxify the body by excreting excess salt and unwanted chemicals?

A

Sudoriferous glands

27
Q

What gland is connected to the hair follicle and secrete sebum?

A

Sebaceous gland

28
Q

What is the fatty or oily secretion that lubricates the skin and preserves the softness of hair?

A

Sebum

29
Q

What is a principal function of the skin?

A

Sensation

30
Q

What is the protective barrier made up of sebum lipids, sweat, and water that forms a Hydro lipidic film to protect the skin from drying out from exposure to external factors that could damage it

A

Acid Mantle

31
Q

When the environmental temperature changes and the skins blood and sudoriferous glands make necessary adjustments to help cool down the body by the evaporation of sweat, the skin is likely performing the function of…

A

Heat regulation

32
Q

What is the function that deals with perspiration from the suderiferous glands expelling through the skin?

A

Excrete

33
Q

Which factor is most likely to increase the flow of sebum?

A

Emotional stress and hormonal imbalance

34
Q

What is true of the sudoriferous glands?

A

They consist of a secretory coil and a tube like sweat duct that ends at the skin surface to form the sweat pore

Ch. 3- Skin Structure and Growth (1 decks)

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