Chapter 7 - Skin Structure, Growth, & Nutrition Flashcards

1
Q

About how many years Of post-high school education and training are required to become a dermatologist?

A

Twelve

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2
Q

The average adult skins weighs _ pounds?

A

6 - 9

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3
Q

The surface of healthyskin is slightly _?

A

Acidic

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4
Q

The outermost and thinnest layer of the skin is the _?

A

Epidermis

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5
Q

The layer of the skin that is seen and treated by the cosmetologist is the _?

A

Stratum corneum

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6
Q

What is a fibrous protein that is the principal component of hair and nails p

A

Keratin

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7
Q

The stratum germinativum is composed Of several layers with special cells that produce a dark skin pigment called _?

A

Melanin

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8
Q

The highly sensitive dermis layer is about (blank) times thicker than the epidermis?

A

25

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9
Q

The outermost layer of the dermis is the _ __ _ layer?

A

Papillary

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10
Q

Which type of nerve fibers carry impulses from the brain to the muscles?

A

Motor

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11
Q

Which body part sends messagesto the brain?

A

Sensory nerve fibers

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12
Q

(Blank) helps protect sensitive calls from uv rays

A

Melanin

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13
Q

What is a fibrous protein that gives skin form and strength?

A

Collagen

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14
Q

What is a small, round elevation on the skin that contains no fluid but may develop pus?

A

Papule

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15
Q

Water is the number one nutrient of the body and composes what percentage of the body’s weight?

A

50-70%

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16
Q

The medical branch of science that deals with the study of skin its functions and diseases is blank?

A

Dermatology

17
Q

The largest organ of the human body is the?

A

Skin

18
Q

Continued pressure on any part of the skin causes it to thicken and develop into a

A

Callus

19
Q

How does the skin on the scout different from other skin?

A

The scalp is larger and deeper hair follicles

20
Q

The epidermis has blank layers?

A

Five

21
Q

The skin layer in which the shedding of the skin cells first begins in the stratum?

A

Spinosum

22
Q

The deepest layer of the epidermidis, the basal cell layer, is also known as the?

A

Stratum germinativum

23
Q

What is the name of the special sale in the stratum germinativum responsible for producing dark skin pigment?

A

Melanocytes

24
Q

The underlying or inner layer of the skin which is also called the derma corium cutest or true skin is the ?

A

Dermis

25
Q

The muscle that causes goosebumps when a person is frightened or cold is the?

A

Arrector pili muscle

26
Q

Small, cone shaped elevations at the bottom of hair follicles are known as

A

Dermal papillae

27
Q

The top of the papillary layer where it joins the epidermidis is the

A

Epidermal dermal Junction

28
Q

The deeper layer of the dermis that supplies the skin with oxygen and nutrients is the

A

Reticular later

29
Q

Fatty tissue found below the dermis is called

A

Subcutaneous tissue

30
Q

What layer of the dermis house is the nerve endings that provide the body with the sense of touch

A

Papillary layer

31
Q

The tiny grains of pigment deposited in cells that provide skin with its color are

A

Melanin

32
Q

Melanin produced by the body that is red to yellow in color is

A

Pheomelanin

33
Q

The fibrous proteins that gives skin it’s flexibility and helps skin regain its shape after being expanded is

A

Elastin

34
Q

Oil glands that are connected to hair follicles are also called

A

Sebaceous glands

35
Q

When sebum hardens in the sebaceous duct becomes clogged the poor impaction that is formed is a

A

Comedo

36
Q

Vitamin blank may help improve the skins elasticity and thickness

A

A

37
Q

Vitamin blank promotes the production of collagen

A

C

38
Q

Which vitamin enables the body to properly absorb and use calcium

A

D