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year 4 onlines miscellaneous > derm > Flashcards

derm Flashcards

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1
Q

what happens in bullous pemphigoid

A

IgG linear

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2
Q

woman with lesion on leg with hard centre getting checked after friend had skin cancer. she has had it for years/

A

dermatofibroma

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3
Q

what to do for leg ulcers with ABPI >0.8

A

graduated compression

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4
Q

ABPI of 0.4, what do you do?

A

refer to vascular surgeon

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5
Q

helitrope rash and linear streak hands

A

dermatomyositis

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6
Q

red rash, flexor surface of forearm, V itchy

A

lichen planus

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7
Q

itchy blistering rash, sore abdo pain, change in bowel habits

A

dermatitis herpetiformis

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8
Q

child itchy at night, excorations only

A

scabies

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9
Q

woman with ankle ulcer which has just healed, ABPI good in both legs, what do you do?

A

compression stockings

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10
Q

man leg ulcer, ABPI 2.7, known arteriopath with mixed disease

what do you do?

A

wound care?

refer for amputation?

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11
Q

1-2cm ulcer on leg which is slowly growing, what should you do?

A

biopsy

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12
Q

boy with lesion between toe, then got arythematous round lesion with crustign edges, what do yotu do?

A

skin scraping

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13
Q

girl with herpes on lips, what do you do?

A

swab for viral PCR

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14
Q

moss like appearance

A

lichen planus

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15
Q

what do you do for impetigo

A

bacterial swab

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16
Q

target lesions

A

erythema multiform IgM depositions in vasculature

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17
Q

herald sign

A

pityriasis rosea

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18
Q

hyperkeratosis and munro abscesses

A

psoriasis

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19
Q

exclamation mark hair

A

alcopecia areata

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20
Q

lentigo maligna

A

woman with patch most of her life

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21
Q

layers of epidermis from top to botoom?

A

keratin layer
granular layer
prickle cell layer
basal cell layer

22
Q

what do keratinocytes do?

A

vit D synthesis

23
Q

what do melanocytes do?

A

protect from UV radiation

produce pigment

24
Q

what do langerhans cells do?

A

antigen presentation

25
Q

what do merkle cells do?

A

mechanreceptors

26
Q

what does a fibroblast do?

A

collagen production

27
Q

what does a mast cell do?

A

histamine release

28
Q

what does a macrophage do?

A

scavengers/ antigen presentation

29
Q

what does a lymphotycte do>

A

immune reactions

30
Q

what does a sebaceous gland do

A

produce sebum
opens into hair follicle
controls moisture loss

31
Q

where do you find the apocrine gland (blue on pic)

A

axillae and perineum

32
Q

what does the apocrine gland do?

A

scent glands
produces oily fluis
they are androgen dependedent

33
Q

where do you find he eccrine gland( (yellow on pic)

A

whole skin surface

34
Q

what does the eccrine gland do?

A

sympathetic cholinergoc nerve supply

cools via evaporation

35
Q

vesicle

A

blister less then 0.5cm

36
Q

bulla

A

bloster larger than 0.5cm

37
Q

erosion

A

superficial break in eipdermis, heals without scarring

38
Q

fissure

A

crack in the skin

39
Q

crust

A

dried brownish exudate

40
Q

scale

A

fragment of dry skin

41
Q

excoriation

A

a scratch which has broken the surface of the skin

42
Q

lichenification

A

skin thickening with exaggerated skin markings as a result of repeated trauma e.g chronic scratching

43
Q

macule

A

defined flat area of altered pigmentation

44
Q

nodule

A

solid lump >0.5cm diameter

45
Q

papule

A

raised well defined lesion

46
Q

pustule

A

well defined puss filled lesion

47
Q

purpura

A

purplish lesion which doesnt blanch on pressure

48
Q

plaque

A

raised flat top lesion

49
Q

ulcer

A

loss of epidermis and dermis

50
Q

weal

A

rash you get with urticaria

51
Q

absent granular layer

hyperproliferation of keratinocytes

A

psoriasis

year 4 onlines miscellaneous (18 decks)

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