unidad 10, mycobacterium y bac acidoresistentes Flashcards

1
Q

caracteristicas de mycobacterium

A

bacilos aerobios
inmoviles
son acidorresistentes
tienen acido micolicos

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2
Q

Mycobacterium tuberculosis

A

infeccion en las vias respiratorias

tos, sudoracion ,adelgazamiento, malestar general

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3
Q

patogenicidad de tuberculosis

A

impide la fusion del fagosoma con los lisosomas

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4
Q

“cord factor” o factor de acordonamiento

A
  • Evade la respuesta inmune
  • Formación de granulomas
  • Liberación citocinas
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5
Q

Sulfolipidos

A
  • Previenen la fagocitosis
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6
Q

Catalasa

A

Resistencia a la oxidación celular

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7
Q

DIAGNÓSTICOS Mycobacterium tuberculosis

A

Prueba cutánea de tuberculina
Pruebas de liberación de INF-γ
Microscopia y cultivo son sensibles y específicos
Sondas moleculares

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8
Q

TX tuberculosis

A

ACTIVA
Isoniacida, etambutol, piracinamida y rifampicina
LATENTE
Isoniacida

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9
Q

Mycobacterium leprae tiempo de incubacion

A

prolongado 20 años

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10
Q

Lepra tuberculoide

A

Presencia de máculas hipopigmentadas en
la piel

baja [] de bacterias

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11
Q

Lepra lepromatosa

A

Lesiones cutáneas desfigurantes, nódulos,
placas, engrosamiento dérmico y
afectación de la mucosa nasal

mucha [] bacterias

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12
Q

tratamiento de leprae

A

tuberculoide: rifampicina y dapsona 6 meses

lepromatosa: rifampicina, dapsona y clofamicina 12 meses

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13
Q

Mycobacterium avium TRATAMIENTO

A

claritromicina o acitromicina + etambutol y rifabutina

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