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Bacteriologia Medica > Bacilos Gram Negativos > Flashcards

Bacilos Gram Negativos Flashcards

1
Q

Generalidad de enterobacterias

A

Son anaerobios facultativos
Son móviles
Diferentes vías de entrada

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2
Q

Factores de Virulencia generales

A 
Endotoxin 
LPS (Ag O)
Cápsula (Ag K)
Flagelos (Ag H)
Sistema de secreción tipo III
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3
Q

Tipos de E.coli

A 
E.coli enterohemorragico 
E.C enterotoxigenico
E.coli enteropatogena 
E.coli enteragregativa
E.coli enteroinvasiva
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4
Q

Características de E.COLI ENTEROHEMORRAGICO

A

Son fermentadores
Oxidasa negativo
Bacilos Gram negativos

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5
Q

Enfermedades que produce E.COLI ENTEROHEMORRAGICO

A

Bacteriemia
Meningitis neonatal
Infecciones urinarias

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6
Q

Toxina que produce la E.COLI ENTEROHEMORRAGICA

A

Toxina Shiga

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7
Q

Órgano que afecta ECET

A

Intestino delgado

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8
Q

Factores de virulencia de ECET

A 
Toxinas LT-4 (termolábil)
Toxina STalfa (termoestable)
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9
Q

Que producen las toxinas de ECET

A

Diarrea

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10
Q

Factores de virulencia de ECEP

A

Pili formadores de haces

Intimina

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11
Q

Enfermados que produce ECEA

A

Diarrea crónica y retraso en crecimiento en niños

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12
Q

Factores de virulencia de ECEA

A

Fimbrias

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13
Q

Características de ECEI

A

Afecta al intestino grueso

Las heces contienen sangre

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14
Q

Dx de ECEI

A

Prueba de Sereny

Ensayo de placa en cels Hela

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15
Q

FV de ECEI

A

Hemolisina

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16
Q

Características generales de Shigella

A 
Bacilos Gram negativo 
No móvil
No capsulado
No invasive (rara vez causa infecciones extra intestinales) 
Se transmite de persona a persona 
Fermenta glucosa 
Oxidasa negativo
17
Q

Enfermedades que produce Shigella

A

Diarrea acuosa
Disenteria bacteriana
Gastroenteritis

18
Q

Serogrupo de Shigella

A

S.dysenteriae
S.Hexneri
S.boydii
S.sonnei

19
Q

Toxina que produce la Shigella

A

Toxina Shiga

20
Q

Especies de Salmonella

A

S.entérica

S.bongori

21
Q

Sub especies de salmonella entérica

A

S.entérica subs entérica serovariedad Thyphi (S.Tiphy)

22
Q

Enfermedad que produce Salmonella Typhu

A

Fiebre tifoidea

23
Q

Enfermedad que produce salmonella typhimurium

A

Fiebre paratifoidea

24
Q

Enfermedad que produce salmonella spp

A

Salmonelosis

25
Q

Especies de Yersinia spp

A

Y.pestis
Y.pseudo tuberculosis
Y. Enterocolitica

26
Q

FV de Yersinia spp

A

Yad A
Cápsula proteica
Gen pal
Resistencia al suero gracias al sideroforo

27
Q

Enfermedad y síntomas de Y.pestis

A

Peste bubónica ( aparecen bubones en axilas, cuello e ingle)

28
Q

Especies de Klebsiella spp

A

K. Pneumoniae
Sub pneumoniae
Ozaenae
rhinoderomatis

K. Oxytoca

Bacteriologia Medica (1 decks)

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