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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
MOA of topical retinoids
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
Substances that neutralizes free radicals thus preventing cell damage
anti-oxidant
27
Factors that promote cell growth, secreted by the epidermis, decline as we age
growth factors
28
effects of growth factors
Promote skin tissue repair and regeneration Promote wound healing Can induce dermal collagen production
29
atalyzes the production of melanin in melanocytes
tyrosinase
30
why is hydroquinone banned
side effects such as hyperpigmentation on the skin
31
this is a common ingredient in lightening cream and soaps. High levels of thi look grey or cream colored
mercury
32
glutathione is an antioxidant made up of 3 aa:
glycine, glutamic acid & cystine
33
MOA of glutathione
inactivation of tyrosinase and it mediates the switch mechanim (eumelanin to pheomelanin)
34
IV glutathione whitening effect lasts for
42 days because of cell turnover
35
Blue-black or slate grey hyperpigmentation due to prolonged use of hydroquinone and mercury in bleaching creams
Ochronosis
36
Application of one or more exfoliating agents to the skin leads to
destruction of portions of the epidermis and/or dermis with subsequent regeneration of new epidermal and dermal tissues
37
Microdermabrasion also known as
diamond peel
38
depth of penetration of Phenol peel, baker gordon phenol peel
deep - reticular dermis
39
electrocauterization and DESSICATION OF BENIGN SKIN LESIONS should not be performed in patients with
pacemakers or those who take blood thinners
40
how does wrinkles appear
facial muscles contract because of thin and less elastic collagen
41
moa of botox
blocks acetylcholine in neuromuscular jxn
42
sites of injection of botox
orbicularis oris, frontali, jaw, gastrocnemiu, axilla
43
how long does botox last
6-12 months
44
why do smile lines and crow feet become apparent when we age
facial muscles are working closer to the skin surface because subQ fat is lost
45
Other factors that affect the facial skin
sun exposure, heredity, and lifestyle
46
Help diminish facial lines and restore volume and fullness in the face
dermal fillers
47
dermal fillers contain
bovine collagen, hyaluronic acid, and polylactic acid
48
Restores face to a softer, more youthful look | • Enhances the natural features, rather than radically changing the face
facial rejuveniation
49
Lasers for abnormal skin pigmentation
ND yag | Ruby Laser
50
why is permanent hair reduction not recommended for people with very light skin?
because the laser targets melanin to burn the hair bulb
51
complication of botox
inappropriate injection can lead to deformity and if injected to a blood vessel, can lead to necrosis
52
complication/ adverse effect of dermal fillers
Necrosis • Tyndall Effect – blue discoloration • Nodules – misplacement, migration • Overcorrection
53
Sources of Stem cells:
Umbilical cord cells – very controversial Adult bone marrow Epidermal stem cells
54
the most common chronic side effect of dermabrasion
Hypopigmentation
55
ingredient in tea
Epigallocatechin Gallate

Block 10 module 3 (4 decks)

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