francisella tularensis Flashcards

1
Q

forma de francisella tularensis

A

cocobacilos pequeños

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2
Q

francisella tularensis son cocobacilos gram_

A

negativos

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3
Q

metabolicamente, F. tularensis son:

A

aerobias obligadas

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4
Q

V/F: F. tularensis son inmoviles

A

falso, son moviles

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5
Q

F. tularensis requiere de medios:

A

medios de cultivo enriquecidos y de crecimiento lento

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6
Q

V/F: F. tularensis son intracelulares

A

verdadero

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7
Q

V/F: F. tularensis tiene capsula de polisacaridos

A

verdadero

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8
Q

endotoxina que produce F. tularensis

A

LPS

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9
Q

endotoxina tipica de los gramnegativos

A

LPS

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10
Q

F. tularensis se puede subdividir en:

A
  • tipo A (subespecie tularensis)
  • tipo B (subespecie holarctica)
  • subespecie medio asiatica
  • subespecie novicida
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11
Q

F. tularensis es transmitida por:

A

zoonosis por un vector (conejos, garrapatas o moscas)

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12
Q

cuadro clinico producido por F. tularensis

A
  • variedades glandulares: orofaringea y ulceroglandular son las mas frecuentes
  • neumonica
  • septicemica
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13
Q

produce un cuadro similar a la tifoidea

A

F. tularensis

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14
Q

bacteria que se puede utilizar para bioterrorismo

A

F. tularensis

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15
Q

F. tularensis puede crecer en medios:

A

agar chocolate

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16
Q

para el diagnostico de F. tularensis se utiliza:

A

microscopia fluorescente

17
Q

tratamiento contra F. tularensis

A

aminoglucosidos, fluoroquinolonas o doxiciclina

18
Q

por que no se pueden usar betalactamicos para F. tularensis?

A

porque son intracelulares y producen beta-lactamasas