Fisio Neuro Flashcards

1
Q

LCR producido en y cantidad

A

Plexos coroideos de venteiculos laterales aprox 500 ml/dia

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2
Q

Volumen intracraneal promedio

A

1740cm3, encéfalo 1450 cm3, lcr 140 cm3 y sangre intravascular 150 cm3

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3
Q

PIC NORMAL

A

10mmHg

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4
Q

Presión de perfusion cerebral

A

PAM-PIC

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5
Q

Flujo sanguíneo cerebral normal

A

50 ml /min por cada 100 g de masa cerebral

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6
Q

FSC 20-25 ml/100g/min

A

Desaparición de gradual de la actividad eléctrica cerebral

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7
Q

FSC 1-5 ml/100 g/min

A

Muerte celular o daño irreversible

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8
Q

Glutamato

A

Neuro transmisor excitador (75%) del SNC

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9
Q

Aspartato

A

SNC excitador

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10
Q

Ácido gama-aminobutirico GABA

A

Neurotransmisor inhibidor más abubdante

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11
Q

Sustancia P

A

Dolor. Es el excitador involucrado en las sensaciones dolorosas

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12
Q

Encefalinas

A

Bloqueo del dolor

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13
Q

Endorfinas

A

Bloqueo del dolor

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14
Q

Fibras tipo A

A

Grandes fibras mielinicas conducción rápida de los impulsos

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15
Q

Fibras tipo C

A

Fibras nerviosas amielinicas conducción lenta

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16
Q

Haz neoespinotalamico

A

Dolor agudo, Pb principal neurotransmisor glutamato

17
Q

Haz paleoespinotalamico

A

Del dolor sordo y crónico, Pb sustancia P