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Physiology and Histology of the Skin > Factors influencing skin > Flashcards

Factors influencing skin Flashcards

1
Q

What does UVR stand for?

A

Ultraviolet radiation

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2
Q

Approximately what percentage of aging is caused by sun exposure?

A

80-85%

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3
Q

This form of UV weakens the skin’s collagen and elastin fibers and is present all-year round

A

UVA

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4
Q

This form of UV burns the skin

A

UVB

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5
Q

This form of UV contributes to the body’s synthesis of vitamin D

A

UVB

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6
Q

This form of UV reacts with the ozone in our atmosphere and us used in sanitizing bulbs that kill bacteria.

A

UVC

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7
Q

Which does HEV stand for?

A

High energy visible light

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8
Q

What is another word for “balance” when we talk about cells?

A

homeostasis

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9
Q

This is the name for a molecule that has an unbalanced electrical charge, is unstable, and can cause a chain reaction of cellular destruction

A

free radicals

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10
Q

This thing neutralizes free radicals

A

antioxidants

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11
Q

What are some of the environmental factors that affect the health of skin?

A

climate, humidity, pollution, second hand smoke

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12
Q

Antioxidants neutralize free radicals by donating their ________ to stabilize free radicals

A

electrons

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13
Q

This ingredient in tobacco causes contraction and weakening of the blood vessels and small capillaries that supply blood to tissues.

A

nicotine

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14
Q

When a protein molecule binds to a glucose molecule, this process is known as…

A

glycation

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15
Q

Through the process of glycation, damaged, non-functioning structures are formed. These structures are known as…

A

advanced glycation end products

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16
Q

This hormone is anti-inflammatory, an antioxidant, and a key factor in tissue repair

A

estrogen

17
Q

The name for the circulation of blood from the heart to arterioles, to capillaries, to venules, and back to the heart

A

microcirculation

18
Q

This term describes skin with redness and capillaries that have been damaged and are now larger, distended blood vessels

A

couperose skin

19
Q

Another term for couperose skin

A

telangiectasia

20
Q

A chronic vascular disorder characterized by varying degrees of skin redness and congestion of the skin

A

rosacea

21
Q

Estrogen derived from plants is known as…

A

phytoestrogens

22
Q

HRT stands for…

A

hormone replacement therapy

Physiology and Histology of the Skin (4 decks)

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