mecanismo de acción Flashcards

1
Q

PENICILNAS

A

bloquean act de transpeptidasa de PBP, bloquean sint de peptidoglucanos

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2
Q

CEFALOSPORINAS

A

inh sint de peptidoglucanos

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3
Q

CARBAPENÉMICOS

A

igual q otros beta lact

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4
Q

GLUCOPÉPTIDOS

A

Inh sínt de peptidoglucanos un paso antes de beta-lact

+ inh sint de ADN

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5
Q

AMINOGLUCÓSIDOS

A

inh 30 y 50s (polisomas)

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6
Q

TETRACICLINAS

A

inh de 30s (no permiten unión a A)

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7
Q

MACRÓLIDOS

A

inh 50s

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8
Q

LINCOSAMIDAS

A

inh 50s

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9
Q

OXAZOLIDINONAS

A

inh 50s

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10
Q

FLUOROQUINOLONAS

A

inh ADN-girasa topoisomerasa II y IV

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11
Q

RIMAFICINAS

A

inh ARN polimerasa

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12
Q

NITROIMIDAZOLES

A

forman radicales libres en ANA -> dañan ADN

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13
Q

TMP/SMX

A

compiten con la enzima del ác PABA (inh sínt de folatos)

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14
Q

LIPOPÉPTIDOS

A

forma canales de K en G(+) -> despolariza e inh sint de ac nucleicos

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15
Q

POLIMIXINAS

A

altera permeabilidad (calcetín)

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16
Q
A