Farmacocinética Flashcards

1
Q

En una meningitis la BHE…

A

aumenta su permeabilidad.

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2
Q

Volumen de distribucion

Formula

A

Dosis/Co

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3
Q

Que pasa con el Vd si el farmaco se una a proteinas plasmaticas…

A

El Vd disminuye.

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4
Q

La placenta es más permeable…

A

al inicio del embarazo.

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5
Q

A qué se unen la mayoría de los fármacos…

A

a proteinas plasmaticas

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6
Q

Los acidos debiles se ionizan en ambientes…

A

basicos.

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7
Q

Las bases debiles se ionizan en…

A

ambientes acidos.

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8
Q

Los farmacos irritantes para los tejidos se prefieren administrar…

A

via intravenosa.

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9
Q

La mayoria de farmacos se absorben por

A

difusion pasiva.

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10
Q

Velocidad de absorcion segun via:

A

IV>SL>IM>SC>VO>transdermica>VR.

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11
Q

Cual es la segunda via de eliminacion mas importante?

A

La via biliar

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12
Q

Es disminuir la toxicidad el objetivo del metabolismo?

A

NO.

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13
Q

Por que la farmacocinetica de los ancianos es distinta?

A

Tienen menos albumina, menos metabolismo y por ello se debe reducir la dosis.

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