Vias opticas Flashcards

1
Q

¿Que capa cubre al nervio optico?

A

Las 3 capas meningeas

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2
Q

¿Al quiasma optico quien lo recubre?

A

La piamadre

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3
Q

¿Que nos indica un edema en la papila?

A

Hipertension craneal

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4
Q

Primera, segunda y tercera neurona de la via optica

A

Primera: fotorreceptores
Segunda: Bipolares
Tercera: ganglionares

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5
Q

Cuarta y quinta neurona de las vias opticas

A

La cuarta esta en el cuerpo geniculado del talamo y la quinta en el area 17

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6
Q

La retina temporal, las vias se decusan?

A

No, son ipsilaterales

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7
Q

Hemianopsia bitemporañ

A

Pierdo la vision en los mismos campos visuales, lesion del quiasma optico

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8
Q

Lesion del nervio optico

A

Ceguera total ojo

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9
Q

Lesion unilateral del tracto optico

A

Hemianopsia contralateral

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10
Q

Pupila Marcus-Gunn

A

Cuando pongo luz en el ojo lesionado se produce midriasis

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