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esthetics state board > Ch 10 - Physiology And Histology > Flashcards

Ch 10 - Physiology And Histology Flashcards

1
Q

Why is UVB radiation also known as “burning rays”

A

UVB wavelengths cause burning of the skin as well as cancer

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2
Q

What is NOT an element of the skins acid mantle

A

Blood

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3
Q

What causes injured skin to restore itself to its normal thickness

A

Hyperproduction of cells

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4
Q

What are items in the dermis that respond to touch, pain, cold, heat and pressure

A

Sensory nerve endings

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5
Q

What are most abundant in the fingertips

A

Sensory nerve fibers

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6
Q

What is the average internal temperature of the body in degrees Fahrenheit

A

98.6

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7
Q

Why does the body perspire

A

To protect us from overheating

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8
Q

What are follicles

A

Tubelike opening in the epidermis

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9
Q

What is NOT a compound in the body from which free radicals take electrons

A

Sebum

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10
Q

What is glycation

A

The binding of a protein molecule to a glucose molecule

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11
Q

What are hair papillae

A

Cone shaped elevations at the base of the follicle

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12
Q

Where in the body is hyaluronic acid found

A

Skin

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13
Q

What is hydrolipidic film

A

Oil-water balance that protects the skins surface

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14
Q

What is a fiber protein found in skin, hair and nails

A

Keratin

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15
Q

What is the acid mantle

A

Protective layer of lipids and secretions on the skins surface

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16
Q

Where in the body are coiled structures know as apocrine glands found

A

Underarm and genital areas

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17
Q

What is the result of the contraction of the arrector pili muscle

A

Goosebumps

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18
Q

What does the skins barrier function protect us from, in addition to irritation

A

Intercellular water loss

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19
Q

What are ceramides

A

Glycolipid materials

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20
Q

What is collagen

A

Fibrous tissue made from protein

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21
Q

What are corneocytes

A

Hardened keratinocytes

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22
Q

What are membranes of ridges and grooves that attach to the epidermis

A

Dermal papillae

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23
Q

Where in the face does the chronic condition rosacea primarily appear

A

Cheeks and nose

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24
Q

What protects the surface of the skin

A

Sebaceous glands

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25
Q

What are guard cells of the immune system that sense unrecognized foreign invaders such as bacteria

A

Langerhans immune cells

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26
Q

What is oil that provides protection for the epidermis from external factors and that lubricated both the skin and hair

A

Sebum

27
Q

What is the common name for the stratum cor Wym

A

Horny layer

28
Q

What is true of the stratum corneum

A

It is the outermost layer of the skin

29
Q

What is the common name of the stratum germiniativum

A

Basal layer

30
Q

Where in the skin is the stratum germinativum located

A

Above the papillary layer of the dermis

31
Q

What is the common name of the stratum granulosum

A

Granular layer

32
Q

What forms the cells in the stratum granulosum that resemble granules

A

Keratin

33
Q

What is another name for the subcutaneous layer of the skin

A

Hypodermis

34
Q

What part of the skin provides a protective cushion and energy storage for the body

A

Subcutaneous layer

35
Q

What is another name for subcutis tissue

A

Adipose tissue

36
Q

What are the glands that excrete perspiration, regulate body temperature, and detoxify the body

A

Sudoriferous

37
Q

What cells identify molecules that have foreign peptides and help to regulate immune response

A

T-cells

38
Q

What causes telangiectasia

A

Capillary damage

39
Q

What causes transepidermal water loss

A

Evaporation

40
Q

What is the common term for UVA radiation

A

Aging rays

41
Q

What is the dermis

A

Support layer below the epidermis

42
Q

What function do desmosomes perform

A

Assist in holding cells together

43
Q

What are eccrine glands

A

Sweat glands

44
Q

What protein fiber is found in the dermis and gives skin its flexibility and firmness

A

Elastin

45
Q

What hormone stimulates cells to reproduce and heal

A

Epidermal growth factor (EGF)

46
Q

What is true of the epidermis

A

It is the outermost layer of the skin

47
Q

What performs the function of stimulating cells, collagen and amino acids that form proteins

A

Fibroblasts

48
Q

What term do clients commonly use when referring to follicles

A

Pores

49
Q

What comprises about 50-70 percent of the skin

A

Water

50
Q

What causes the body to produce its own vitamin D

A

Exposure to sun

51
Q

What is NOT one of the six primary functions of the skin

A

Reflection

52
Q

What function does the enzyme tyrosinase perform

A

Stimulates melanocytes and thus produces melanin

53
Q

What is the other type of melanin the body produces, besides eumelanin

A

Pheomelanin

54
Q

How many times thicker than the epidermis Is the dermis

A

25 times thicker

55
Q

When do free radicals produce more free radicals

A

While causing oxidation reactions

56
Q

What causes skin cells built-in antioxidants to lose their ability to protect cells

A

Sun exposure

57
Q

What is true of sun exposure

A

It has the greatest impact on how our skin ages

58
Q

What are keratinocytes

A

Epidermis cells composed of keratin, lipids, and other proteins

59
Q

Where in the skin are lymph vessels located

A

Dermis

60
Q

What protein determines hair, eye and skin color

A

Melanin

61
Q

What are melanocytes

A

Cells that produce skin pigment granules in the basal layer

62
Q

What are melanosomes

A

Pigment carrying granules that produce melanin

63
Q

What is true of the papillary layer of the skin

A

It is the top layer of the dermis

64
Q

What is true of the reticular layer of the skin

A

It is the deepest layer of the dermis

esthetics state board (23 decks)

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