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

Ch 10 - Physiology And Histology Flashcards

(64 cards)

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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
What are guard cells of the immune system that sense unrecognized foreign invaders such as bacteria
Langerhans immune cells
26
What is oil that provides protection for the epidermis from external factors and that lubricated both the skin and hair
Sebum
27
What is the common name for the stratum cor Wym
Horny layer
28
What is true of the stratum corneum
It is the outermost layer of the skin
29
What is the common name of the stratum germiniativum
Basal layer
30
Where in the skin is the stratum germinativum located
Above the papillary layer of the dermis
31
What is the common name of the stratum granulosum
Granular layer
32
What forms the cells in the stratum granulosum that resemble granules
Keratin
33
What is another name for the subcutaneous layer of the skin
Hypodermis
34
What part of the skin provides a protective cushion and energy storage for the body
Subcutaneous layer
35
What is another name for subcutis tissue
Adipose tissue
36
What are the glands that excrete perspiration, regulate body temperature, and detoxify the body
Sudoriferous
37
What cells identify molecules that have foreign peptides and help to regulate immune response
T-cells
38
What causes telangiectasia
Capillary damage
39
What causes transepidermal water loss
Evaporation
40
What is the common term for UVA radiation
Aging rays
41
What is the dermis
Support layer below the epidermis
42
What function do desmosomes perform
Assist in holding cells together
43
What are eccrine glands
Sweat glands
44
What protein fiber is found in the dermis and gives skin its flexibility and firmness
Elastin
45
What hormone stimulates cells to reproduce and heal
Epidermal growth factor (EGF)
46
What is true of the epidermis
It is the outermost layer of the skin
47
What performs the function of stimulating cells, collagen and amino acids that form proteins
Fibroblasts
48
What term do clients commonly use when referring to follicles
Pores
49
What comprises about 50-70 percent of the skin
Water
50
What causes the body to produce its own vitamin D
Exposure to sun
51
What is NOT one of the six primary functions of the skin
Reflection
52
What function does the enzyme tyrosinase perform
Stimulates melanocytes and thus produces melanin
53
What is the other type of melanin the body produces, besides eumelanin
Pheomelanin
54
How many times thicker than the epidermis Is the dermis
25 times thicker
55
When do free radicals produce more free radicals
While causing oxidation reactions
56
What causes skin cells built-in antioxidants to lose their ability to protect cells
Sun exposure
57
What is true of sun exposure
It has the greatest impact on how our skin ages
58
What are keratinocytes
Epidermis cells composed of keratin, lipids, and other proteins
59
Where in the skin are lymph vessels located
Dermis
60
What protein determines hair, eye and skin color
Melanin
61
What are melanocytes
Cells that produce skin pigment granules in the basal layer
62
What are melanosomes
Pigment carrying granules that produce melanin
63
What is true of the papillary layer of the skin
It is the top layer of the dermis
64
What is true of the reticular layer of the skin
It is the deepest layer of the dermis

esthetics state board (23 decks)

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