Generalidades y Caracteríasticas Flashcards

Generalidades y características de las bacterias

1
Q

Staf Aureus: características y medio de infección

A

“El más positivo”

  1. Gram, Cat y Coag +, Inmóvil, capa de limo, con cápsula.
  2. Enterotoxinas, TSST-1, citotoxinas y toxinas exfoliativas (ETA y ETB)
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2
Q

Factor de patogenia de Staf Aureus:

A

Cápsula

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3
Q

Tx. de Staf Aureus

A

Vancomicina

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4
Q

Strep. Pyogenes características y medio de infección:

A
  1. Catalasa -, Gram +, cadena corta, GAS
  2. Toxinas: Spe A, B, C y F –> Superantígenos
    Estreptolisina S, O –> Beta Hemólisis
    Estreptocinasas –> Lisan coagulos
    ADNasas
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5
Q

Factor patogénico de Strep. Pyogenes:

A

Proteína M y Cápsula

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6
Q

Tx. de pyogenes:

A

Penicilina y cefalosporinas orales

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7
Q

Strep Agalactiae características:

A
  1. Catalasa -, Gram +, productor de ác. láctico, cápsula de pilisacáridos, GBS
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8
Q

Tx. de Strep Agalactiae:

A

Penicilina

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9
Q

Pyogenes es ____ a bacitracina y Agalactiae es _____

A

sensible; resistente

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10
Q

Viridians es ____ a optoquina y pneumoniae/neumococo es ______

A

resistente; sensible

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11
Q

Strep Viridians características:

A

Alfa hemolítico, catalasa -, Gram +

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12
Q

Strep Viridians coloniza ____, aparato digestivo y _____

A

orofaringe; nasofaringe

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13
Q

Strep Pneumoniae/Neumococci características:

A

Encapsulado, gram +, catalasa -.

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14
Q

Strep Pneumoniae/Neumococci métodos de infección:

A

Neumolisina, ácido teicóico y peptidoglucano, Iga PROTEASAS

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