Viridans y Pneumoniae Flashcards

1
Q

caracteristicas microbiológoicas de Viridans

A

alfa hemolítico
microbiota de (faringe, colón, ano, genitourinario, digestivo superior)
sensibles a penicilina excepto graves
cadenas largas

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2
Q

en casos graves de Viridans se da…

A

vancomicina

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3
Q

Características de Pneumoniae (neumococo)

A

encapsulado
alfa hemolíticos
neumolisina

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4
Q

¿Qué se usa para la vacuna de pneumoniae?

A

polisacáridos

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5
Q

¿Qué función tiene la cápsula en el S.pnumoniae?

A

inhibe fagocitosis y el la principal determinante de patogenicidad

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6
Q

¿Qué coloniza pneumoniae?

A

naso y bucofaringe

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7
Q

¿Qué hace la neumolisina?

A

crea poros en las células del hospedero

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8
Q

El S.pnumoniae es la causa #1 de:

A

neumonia bacteriana
otitis media
sinusitis
meningitis bacteriana
bacteremias

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9
Q

Tratamiento de S.pneumoniae

A

no sensible a antibióticos
prevenible por vacuna

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10
Q

¿Qué significa la terminación -valente?

A

numero de polisacáridos

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11
Q

Patogenicidad de neumococo

A

Proteasa IgA inhibe unión con el anticuerpo
Ácido teitóicoo y peptidoglucano: fuertes promotores de quimiotaxis

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