brucella spp Flashcards

1
Q

brucella afectan el sistema:

A

reticuloendotelial, donde circulan los macrofagos

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2
Q

forma de brucella

A

cocobacilos

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3
Q

brucella son cocos gram_

A

negativos

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4
Q

V/F: brucella forma capsulas

A

falso, son no encapsulados

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5
Q

V/F: brucella forma exotoxinas

A

falso

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6
Q

como brucella no produce exotoxinas…

A

no son muy virulentas, pasan desapercibidas y producen enfermedades crónicas

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7
Q

V/F: brucella son intracelulares

A

verdadero, invaden macrofagos y se mueven a traves del sistema reticuloendotelial

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8
Q

metabolicamente, brucella son:

A

aerobios estrictos

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9
Q

especies relevantes de brucella

A
  • B. abortus
  • B. melitensis
  • B. suis
  • B. canis
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10
Q

brucella provoca enfermedades en: (animales)

A

vacas, cerdos, ovejas y cabras

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11
Q

brucelosis es una enfermedad transmitida por:

A

zoonosis sin un vector

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12
Q

por que se le llam B. abortus?

A

porque provoca una enfermedad cronica en los animales que despues provoca que aborten

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13
Q

brucelosis es una infeccion que se da por:

A

contacto directo, ingestion o inhalacion de productos NO pasteutizados

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14
Q

personas con mayor riesgo de contraer brucelosis

A

personas en contacto con vacas, cerdos, ovejas y cabras

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15
Q

la brucelosis es tambien llamada:

A

fiebre de Malta

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16
Q

la fiebre producida por brucelosis es de tipo:

A

intermitente cronica (1-2 meses con fiebre)

17
Q

sintomas de brucelosis

A
  • fiebre intermitente cronica
  • fatiga, atralgias
  • lesiones oseas (cuerpos vertebrales), higado, bazo, cerebro
18
Q

el diagnostico de brucella se puede realizar mediante:

A
  • cultivo de biopsia (higado, bazo, hueso, MO)

- pruebas serologicas como Rosa de Bengala

19
Q

tratamiento contra brucella

A

doxicilina o TMP/SMX por 6 semanas