Self Study 6 Flashcards

1
Q

what does allgx and H dermatoses involve

A

inflm respoonse to multi exogenous/endogenous agents

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2
Q

what is allgx and H deramtoses charcterized by

A

epidermal edieam with seperation of epidermal cells

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3
Q

what dermatitis’ does allgx and H deramtoses involve

A

irritant contact dermatitis, allgx contact dermatits, atopic and nummular eczema, drug induced skin interuptions

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4
Q

contact dematitis

A

common inflm of skin

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5
Q

2 types of contact dermatitis

A

allergic and irritant CD

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6
Q

what does allgx CD result from

A

cell mediated, type4 H rxn

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7
Q

what type of reaction occurs in ACD

A

t cell only. no abs.

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8
Q

2 kinds of ACD reaction

A

direct cytotoxic T cell destr of macrophage

deylaed t cell prod of lymphokines that destroy ag bearing cell days later

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9
Q

primary lesions ACD

A

mild erythema with edema to vesicles or lrage bullae

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10
Q

secondary lesions ACD

A

dt bacterial infc

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11
Q

where do lesions in ACD occur

A

anywhere

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12
Q

ICD cause

A

caused by chemicals that irritate skin, environmental triggers

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13
Q

risk for ICD

A

hx of atopic dermatitis

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14
Q

4 types of ICD

A

subjective, acute, chonic, chemical burns

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15
Q

subjective ICD

A

no clinical mnfts

burning or stinging when exposed to irritant

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16
Q

acute ICD

A

due to single exposures to irritant

dryness, erythema, edmea, inflm, vesicles

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17
Q

chronic ICD

A

results from contd exposure to irritant , even when irritant removed.
dryness, erythema, sclaes, fissures, vesicles

18
Q

chemical burn ICD

A

deep necrosis from contact with cement prod

19
Q

Tx ICD

A

remove source
change lifestyle
minor: wash area, apply anti itch cream, topical corticosteroids?
mod - extreme: tx with wet dressing, oral antihistamine, systemic corticosteroids

20
Q

eczema

A

inflm of skin

21
Q

2 types of eczema

A

atopic dermatits

nummular eczema

22
Q

atopic derm

A

ithcy, inflm skin disorder

23
Q

what is atopic derm characterized by

A
poorly defind erythema with edema, vesicles, weeping (acute)
skin thickening (chronic)
24
Q

how is atopic derm often described

A

IgE mediated H. Similar to Allgx patho.

25
how do mnfts present in atopic derm
differently depending on age and race
26
when do 70% of atopic derm cases start
peds
27
what is atopic derm characterized with (mnfts)
vesicles formation, oozing, cursting
28
where does atopic derm begin (peds)
cheeks, progress to scalp, arms, trunk, legs
29
atopic derm mnfts adolsecent (acute)
dry, red patches on face, neck, upper trunk-no thickening
30
atopic derm mfnts adolescent (chronic)
dry, leathery, lichenfied spin
31
is there a gen predisopostion in atopic derm
yes
32
tx for atopic derm
``` avoid temp changes/stress skin care avoid triggers dec contact with awater meds wet derssing probiotics ```
33
why should a person with atopic derm avoid temp changes
minimize vasscular and sweat response
34
what triggers does a person with atopic derm have to avoid
evironmental | food
35
what meds are used to tx atopic derm
topical corticosteroids | topical immune modulators
36
nummular eczema lesions
coin shaped lesions | papulovesicular patches on arms and legs
37
what is normal for NE leision patterns
initial leisions heal, followed by secondary outbreak of mirror image leisons on opposite side of body
38
pattern of exacerbation for NE
chornic, with weeks and years between exacerbations. happens mostly in winter
39
tx for NE (lifestyle
avoid iodides and bromides avoid frequent bathing and stress inc environmental humidty t
40
tx for NE (pharm)
topical emollients, corticosteroids, coal tar preperations, uv light