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Bacteriología > Bacterias gram + > Flashcards

Bacterias gram + Flashcards

1
Q

proteina A (S. aureus)

A

se une a la region Fc de IgG e inhibe la activacion del complemento y fagocitosis

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2
Q

causa principal de artritis séptica en niños

A

S. aureus

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2
Q

causa principal de artritis séptica en niños

A

S. aureus

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3
Q

neumonia con infiltrados parcheados por …

A

S. aureus

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4
Q

absceso de Brodie es

A

foco de osteomilitis estafilocócica

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5
Q

impétigo ampolloso

A

forma localizada de SPEE

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6
Q

Streptococcus pyogenes pertenece al grupo:

A

A

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7
Q

causa mas frecuente de faringitis bacteriana

A

St. pyogenes

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8
Q

bacterias comecarne

A

St. pyogenes

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9
Q

d q esta hecha la capsula de los St. pyogenes?

A

acido hialuronico

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10
Q

la escarlatina es una …

A

complicación de la faringitis estreptococica

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11
Q

diferencia entre celulitis y erisipela

A

la celulitis afecta hasta tejidos profundos y la erisipela es localizada

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12
Q

caracteristicas de la escarlatina:

A

lengua frambuesada, faringits y rash difuso (pliegues son lineas de Pastia)

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12
Q

caracteristicas de la escarlatina:

A

lengua frambuesada, faringits y rash difuso (pliegues son lineas de Pastia)

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13
Q

J O N E S (fr)

A

joints (poliartritis), cOrazon (miocarditis, pericarditis), nodulos, eritema marginatum y sydenhams chorea

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13
Q

enfermedades estreptococicas no supurativas

A

fiebre reumatica y glomerulonefritis aguda

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14
Q

Estreptolisina O (St. pyo)

A

lisa eritrocitos, genera anticuerpos

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15
Q

streptocinasa (pyo)

A

convierte plasminogeno en plasmina

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16
Q

sensible a bacitracina

A

grupo A

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17
Q

St. pyogenes es …

A

anaerobia facultativa

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18
Q

Strep del grupo B

A

Agalactiae

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19
Q

St agalactiae es una causa de …

A

septicemia, neumonia y meningitis en RN

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20
Q

St. del grupo B coloniza …

A

aparato digestivo inf y genitourinario

21
Q

alfa hemoliticos

A

strep neumo y viridans

22
Q

st.. pneumoniae coloniza

A

faringe y nasofaringe

23
Q

causa n°1 de neumonia adquirida en la comunidad

A

st. pneumoniae

24
Q

M O P S

A

meningitis, otitis media, pneumonia y sinusitis

25
Q

proteasa de IgA en

A

st. pneumoniae

26
Q

tx para St. pneumoniae

A

eritromicina (macrolido), ceftriaxona (cefalosporina)

27
Q

st mutans y sanguinis asociados a…

A

caries

28
Q

los enterococos muestran …

A

resistencia a muchos antibioticos de uso comun

29
Q

factores de riesgo para infeccion por enterococos:

A

sondas urinarias, cateteres intravasculares, antibioticos de amplio espectro y hospitalizacion prolongada

30
Q

bacillus tienen la capacidad de formar:

A

endoesporas

30
Q

bacillus tienen la capacidad de formar:

A

endoesporas

31
Q

B. cereus esta relacionado con …

A

intoxicacion alimentaria

32
Q

C. tetani es …

A

bacilo gram + anaerobio

33
Q

tipo de paralisis que causa C. tetani

A

espastica

34
Q

palillo de tambor

A

c. tetani

35
Q

tipo de paralisis que produce el botulismo

A

flacida y descendente

35
Q

tipo de paralisis que produce el botulismo

A

flacida

36
Q

la toxina botulinica afecta al neurotransmisor

A

Ach

37
Q

c. ….. rara vez forma esporas

A

perfringes

38
Q

alfa toxina c. perfringes

A

es una lecitinasa que cliva la lecitina (fosoflipasa)

39
Q

C. diptheriae no forma …

A

esporas

40
Q

c. diptheriae tiene una

A

exotoxina con subunidad A y B

41
Q

q causa la exotoxina de C. diptheriae

A

ADP ribosilacion de factor de elongacion 2

41
Q

q causa la exotoxina de C. diptheriae

A

ADP ribosilacion de factor de elongacion 2 que inhibe la funcion de los ribosomas

42
Q

formacion de pseudomembranas por C. dipth

A

muerte celular x inhibicion de sinteis de proteinas

43
Q

cuello de toro en …

A

difteria

44
Q

dx de neisseria

A

cultivo

45
Q

Eleks test

A

difteria

46
Q

neisseria metaboliza …

A

glucosa

47
Q

neisseria es ….. +

A

oxidasa

48
Q

mayor factor de virulencia de neisseria

A

pilis con variacion antigenica

49
Q

lipooligosacarido presente en …

A

neisseria

50
Q

la segunda causa mas comun de meningitis bacteriana

A

neisseria

51
Q

primera causa de meningitis bacteriana

A

st. pneumonia

Bacteriología (1 decks)

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