Antibióticos microbianos Flashcards

1
Q

Que hace la presión osmótica en las paredes con penicilina

A

Las rompe

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2
Q

De que gram es exclusiva la penicilina

A

De los positivos

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3
Q

Gonococo

A

GRam negativo exclusivamente atacado por la penicilina

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4
Q

Cual penicilina es la más activa

A

La G

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5
Q

Porque la penicilina no afecta a los animales

A

Ya que no poseen pared celular

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6
Q

Que contrarresta el medio alergico a la penicilina

A

La adrenalina

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7
Q

Que son las PBP

A

Proteínas acarreadoras de penicilina

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8
Q

Una bacteria sin PBP es

A

Resistente a la penicilina

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9
Q

Penicilinasa y Betalactamasa hacen

A

Resistencia a la pencicilina

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10
Q

Que son los plasmidos

A

Porción de DNA con estructura circular fuera del cromosoma

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11
Q

Cefalosporinas

A

Mecanismo parecido a la penicilina

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12
Q

Polimixinas

A

Atacan a la membrana interior de bacterias

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13
Q

Aminoglicosídicos, tetr ciclinas, clorafenicol, lincosamidas son ejemplos de

A

Inhibidores de la síntesis de proteínas

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14
Q

Rifampicina

A

Se une a RNA polimerasa bloqueando su síntesis de mRNA

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15
Q

Sulfonamidas

A

Alteran el metabolismo de ácido fólico al formar ac folinico que no sirve para la síntesis de ac nucleicos

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16
Q

Brucella es resistente a

A

Todos los antimicrobianos por el Factor R

17
Q

Quinolonas

A

Se unen a DNA Girasa, inhibe su replicación

18
Q

Infectare significa

A

Contacto

19
Q

Nitromidazoles

A

Rompen DNA