enterobacterias Flashcards

1
Q

v/f parte de flora natural humana

A

v

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2
Q
A
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3
Q

v/f infecciones enterobacteria se pueden dar x reservorio animal portador humano, diseminacion endogena

A

v

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4
Q

principal antigeno en pared celular

A

lipopolisacarido lps

oca

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5
Q

clasificacion serologica enterobacterias

A

3 antigenos

polisacarido o

antigeno k

proteina H

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6
Q

factores de virulencia

A

endotoxina

lipido A lipopolisacarido

capsula q protege de fagocitosis

variacion fase antigenica

secrecion III

secuestro factores crecimiento

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7
Q

caracterisiticas enterobacterias

gram
o2
oxidasa
catalasa
microscopio

A

negativos
anaerobios facultativos

oxidasa negativos
catalasa positivos
bastones

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8
Q

que e.coli produce diarrea del viajero

A

e. coli enterotoxigenica

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9
Q

enfermedades e. coli

A

gastroenteritis
colitis hemorragica
sindrome hemolitico uremico

extraintestinales : meningitis neonatal, infecciones urinarias e intraabdominales

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10
Q

diagnostico e. coli

A

amplificacion AN multiples para patogenos entericos

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11
Q

especies de klebsiella

A

pneumoniae y oxytoca

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12
Q

diagnostico klebsiella

A

prueba naat

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13
Q

tx klebsiella

A

cefalosporinas

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14
Q

2 tipos de salmonella

A

enterica y bongori

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15
Q

enfermedades salmonella

A

enteritis diarrea c/s sangre

fiebre enterica, tifoidea, paratifoidea

bacteriemia

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16
Q

diagnostico y tx salmonella

A

naat y fluoroquinolonas, trimetropina, cefalosporinas

17
Q

unico reservorio para shigella

A

humanos

18
Q

enfermedades shigella

A

shigelosis, disentería

19
Q

tx y diagnostico shigella

A

naat, fluoroquinolona y trimetroprima

20
Q

peste bubonica

A

yersenia pestis

21
Q

enfermedades yersinia

A

pestes, gastroenteritis, sepsis

22
Q

diagnostico y tx yersinia

A

naat, estreptomicina, tetraciclinas

23
Q

serotio de e. coli que produce toxina shiga

A

o 157 h7

24
Q

especies de salmonella

A

enterica y bongori

25
Q

como son las colonias de klebsiella peneumoniae en mcconkey

A

cremosas

26
Q

que hace la toxina shiga

A

interrumpe sintesis de proteinas

27
Q

prueba de lab que permite dar mejor tx c antibioticos

A

antibiograma

28
Q
A