Bacterial diseases of Skin pt 1 Flashcards

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1
Q

normal skin microbes are usually harmless unless

A

penetrate epidermis or immune system is suppressed

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2
Q

abscesses are…

A

pus filled from bacteria

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3
Q

abscesses are often called

A

pimple

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4
Q

What is a large painful nodular extension of folliculitis

A

furuncle or boil

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5
Q

what is difference between carbuncle and furuncle

A

carbuncle is group of furuncle that penetrates deeper into tissues

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6
Q

What is is called where a skin abscess involves a hair follicle

A

folliculitis

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7
Q

What is folliculitis called at eyelid base

A

sty

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8
Q

pathogen of abscesses/folliculitis

A

staphylococcus epidermidis

staphylococcus aureus

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9
Q

what causes hot tub folliculitis

A

pseudomonas aeruginosa

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10
Q

What is SSSS

A

staphylococcal scalded skin syndrom

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11
Q

describe symptoms of SSSS

A

reddening->large blisters containing fluid LACKING BACTERIA OR WBC -> 2 days skin peels off in sheets as if dipped in boiling water

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12
Q

pathogen of ssss

A

staphylococcus aureus strains

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13
Q

ssss occurs mainly in

A

infants

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14
Q

how is ssss transmitted

A

person to peron

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15
Q

how is SSSS diagnosed

A

sloughing of skin

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16
Q

TX of SSSS

A

antibiotics, usually hospitalization (often burn unit)

17
Q

how is SSSS prevented

A

-difficult due to widespread presence of s. aureus

18
Q

What is another name for impetigo

A

pyoderma

19
Q

what is impetigo

A

skin infection involving top layers of skin

20
Q

characteristics of impetigo

A

flat red patches, common in kids become pus filled vescicles that crust (pyoderma)

21
Q

is there pus with WBC in impetigo or ssss

A

impetigo

22
Q

erysipelas

A

fiery rash with raised borders

23
Q

what does erysipelas usually occur

A

legs

24
Q

pathogen of impetigo and erysipelas

A

s. aureas MC in impetigo
steptococcus pyogenes MC in erysipelas
but both are in both

25
Q

impetigo and erysipelas are transmited

A

person to person

fomites

26
Q

impetigo occurs mostly in who

A

kinds

27
Q

peak incidence of erypelas and who is rarely affected

A

60-80, adolescent to adults

28
Q

diagnose impetigo and erysipelas

A

presence of vescicles

29
Q

What is called the “flesh eating bacteria”

A

necrotizing fascitis

30
Q

characteristics of Necrotizing fasciitis

A

secretes enzymes and toxins

big, purplish red blisters

31
Q

what does necrotizing fasciitis do

A

destroy muscle and fat tissue

32
Q

what other issue is involved with necrotizing fasciitis

A

toxemia

33
Q

% fatality of NF

A

> 50

34
Q

pathogen of NF

A

steptococcus pyogenes

35
Q

Buruli ulcer pathogen

A

mycobacterium ulcerans

36
Q

symptoms of buruli ulcer

A

painless nodule, finger swelled 2 x

PAINLESS

37
Q

toxin produced by buruli ulcer

A

mycolactone