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Block 10 module 3 > aesthetic dermatology > Flashcards

aesthetic dermatology Flashcards

1
Q

standard of beauty in ancient times

A

facial symmetry

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2
Q

subclinical signs of aging are usually apparent at the age of

A

20

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3
Q

2 types of aging

A

extrinsic and intrinsic

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4
Q

describe intrinsic aging

A

Genetically programmed
Affects all skin
• Result from passage of time
• Body’s natural aging

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5
Q

highly reactive molecules which causes oxidation of the cell which leads to cell death and skin aging.

A

free radicals

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6
Q

important for the formation of new cells

A

growth factors

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7
Q

acts as barrier, decrease in this may lead to dryness and irritation of the skin

A

Natural moisturizing factor

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8
Q

located in the basal layer of the epidermis

A

stem cells

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9
Q

examples of benign skin growths

A 
Dermatosis Papulosa Nigra
•Idiopathic Benign Hypomelanosis
• Seborrheic Keratosis
• Cherry Angioma
• Seborrheic Gland Hyperplasia
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10
Q

Products that are intended to be applied to the human body for cleansing, beautifying, promoting attractiveness, or altering appearance without affecting the body’s function

A

cosmetics

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11
Q

describe a good soap

A

it removes surface dirt and keeps barrier intact

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12
Q

tightness of skin after cleansing is a sign that

A

too much moisture was removed which may lead to irritation and dryness

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13
Q

Attracts moisture from the environment

A

humectant

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14
Q

replace depleted moisture lost in the skin, active ingredient to keep skin soft

A

lanolins

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15
Q

Substance applied to skin to protect it from the sun’s rays

A

sunscreen

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16
Q

Amount of protection the product offers from UV-B rays or sunburn (prevention from burning but not tanning)

A

SPF (sun protection factor)

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17
Q

why is there risk of skin darkening after application of lotion with SPF

A

it doen’t cover protection from UV-A

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18
Q

Most common components of physical sunscreen

A

titanium and zinc oxide

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19
Q

how can organic sunscreen cause CD

A

although it absorbs UV rays, it is being aborbed by the skin and it can be irritating

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20
Q

longer wavelength, penetrates deep down the dermis, causes tanning

A

UV-A

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21
Q

you can feel the sting when it hits the skin, causes burning of skin

A

UV-B

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22
Q

cannot penetrate the earth because it is filtered by the ozone layer

A

UV-C

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23
Q

The gold standard for topical anti-aging

A

topical retinoids

24
Q

side effect of topical retinoids

A

Photosensitivity

25
Q

MOA of topical retinoids

A

Stimulate the binding of epidermal growth factor to the skin
• Promotes skin renewal
• Increases the rate of mitosis (cell division)
• Increases keratinocyte differentiation
• Increases cell turnover
• Increases fibroblast growth and collagen synthesis

26
Q

Substances that neutralizes free radicals thus preventing cell damage

A

anti-oxidant

27
Q

Factors that promote cell growth, secreted by the epidermis, decline as we age

A

growth factors

28
Q

effects of growth factors

A

Promote skin tissue repair and regeneration
Promote wound healing
Can induce dermal collagen production

29
Q

atalyzes the production of melanin in melanocytes

A

tyrosinase

30
Q

why is hydroquinone banned

A

side effects such as hyperpigmentation on the skin

31
Q

this is a common ingredient in lightening cream and soaps. High levels of thi look grey or cream colored

A

mercury

32
Q

glutathione is an antioxidant made up of 3 aa:

A

glycine, glutamic acid & cystine

33
Q

MOA of glutathione

A

inactivation of tyrosinase and it mediates the switch mechanim (eumelanin to pheomelanin)

34
Q

IV glutathione whitening effect lasts for

A

42 days because of cell turnover

35
Q

Blue-black or slate grey hyperpigmentation due to prolonged use of hydroquinone and mercury in bleaching creams

A

Ochronosis

36
Q

Application of one or more exfoliating agents to the skin leads to

A

destruction of portions of the epidermis and/or dermis with subsequent regeneration of new epidermal and dermal tissues

37
Q

Microdermabrasion also known as

A

diamond peel

38
Q

depth of penetration of Phenol peel, baker gordon phenol peel

A

deep - reticular dermis

39
Q

electrocauterization and DESSICATION OF BENIGN SKIN LESIONS should not be performed in patients with

A

pacemakers or those who take blood thinners

40
Q

how does wrinkles appear

A

facial muscles contract because of thin and less elastic collagen

41
Q

moa of botox

A

blocks acetylcholine in neuromuscular jxn

42
Q

sites of injection of botox

A

orbicularis oris, frontali, jaw, gastrocnemiu, axilla

43
Q

how long does botox last

A

6-12 months

44
Q

why do smile lines and crow feet become apparent when we age

A

facial muscles are working closer to the skin surface because subQ fat is lost

45
Q

Other factors that affect the facial skin

A

sun exposure, heredity, and lifestyle

46
Q

Help diminish facial lines and restore volume and fullness in the face

A

dermal fillers

47
Q

dermal fillers contain

A

bovine collagen, hyaluronic acid, and polylactic acid

48
Q

Restores face to a softer, more youthful look

• Enhances the natural features, rather than radically changing the face

A

facial rejuveniation

49
Q

Lasers for abnormal skin pigmentation

A

ND yag

Ruby Laser

50
Q

why is permanent hair reduction not recommended for people with very light skin?

A

because the laser targets melanin to burn the hair bulb

51
Q

complication of botox

A

inappropriate injection can lead to deformity and if injected to a blood vessel, can lead to necrosis

52
Q

complication/ adverse effect of dermal fillers

A

Necrosis
• Tyndall Effect – blue discoloration
• Nodules – misplacement, migration
• Overcorrection

53
Q

Sources of Stem cells:

A

Umbilical cord cells – very controversial
Adult bone marrow
Epidermal stem cells

54
Q

the most common chronic side effect of dermabrasion

A

Hypopigmentation

55
Q

ingredient in tea

A

Epigallocatechin Gallate

Block 10 module 3 (4 decks)

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