Líquido cefalorraquídeo Flashcards

1
Q

Volumen total de LCR en un adulto:

A

100 a 130 mls

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2
Q

Contiene menos de 5 leucocitos por mm3 y todos son linfocitos:

A

LCR

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3
Q

Contenido proteico del LCR lumbar es de:

A

15 a 45 mgs/dl

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4
Q

Contenido proteico del LCR ventricular es de:

A

5 a 15 mg/dl

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5
Q

Contenido proteico del LCR cisternal es de:

A

15 a 25 mg/dl

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6
Q

La mayor parte de la proteína es:

A

Albumina

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7
Q

El LCR se produce primordialmente en:

A

Plexo coroideo por secreción activa y en menor cantidad en el tejido extra coroideo (cerebro mismo)

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8
Q

Producción de LCR:

A

500 a 600 ml por día

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9
Q

Volumen y recambios del LCR:

A

120 - 150 ml con un recambio de 4 a 5 veces por día

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10
Q

Absorción del LCR:

A

En granulaciones aracnoideas o de Pachioni

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11
Q

Peso del cerebro adulto:

A

1,400 gr

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12
Q

Sistema ventricular:

A
  • ventrículos laterales
  • agujero de monro
  • tercer ventrículo
  • acueducto de Silvio
  • cuarto ventrículo
  • agujero magendie y luschka
  • cisterna magna
  • espacio subaracnoideo
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