Unidad 3 Flashcards

1
Q

Patogenicidad

A

capacidad de un microorganismo de causar daño

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2
Q

virulencia

A

grado q puede causar

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3
Q

tipos de bacteria

A

patogena
oportunista
comensal

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4
Q

microorganismos intracelulares

A

.Mycobacterium spp.
* Brucella spp.
* Francisella spp.
* Rickettsia spp.
* Chlamydia spp.
* Listeria monocytogenes
* Salmonella typhi
* Shigella dysenteriae
* Yersinia pestis
* Legionella pneumophila

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5
Q

mecanismos de patogenicidad

A
  1. produccion de toxinas
  2. produccion de proteinas citotoxicas
  3. produccion de antigenos
  4. induccion del proceso inflamatorio
  5. evasion del sist de defensa
  6. resistencia a antibioticos
  7. desarrollo intracelular
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6
Q

produccion de toxinas

A

1.endotoxinas
2.exotoxinas

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7
Q

exotoxinas

A
  1. toxinas citoliticas (degradan la membrana)
  2. Toxinas A-B (union a receptores)
  3. toxinas superantigeno
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8
Q

evasion del sistema de defensa

A
  1. encapsulacion
  2. formacion de biopeliculas
  3. mimentismo antigeno
  4. cambio de antigeno
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