Cranial Nerves (Simplified) Flashcards

1
Q

What can you tell me about Cranial Nerve I

A

Olfactory nerve (smell) sensory

Smell picked up by receptors in cribriform plate

Pass through ethmoid

Forebrain

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2
Q

What can you tell me about Cranial Nerve II

A

optic nerve (vision) sensory

optic chiasma (cross over) in front of pineal gland

visual cortex (back of head)

forebrain

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3
Q

What can you tell me about Cranial Nerve III

A

oculo-motor (eye movement)

one of 3 nerves that supply movement of eye

all eye

superior orbital fissure

midbrain

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4
Q

What can you tell me about Cranial Nerve IV

A

trochlear (eye movement)

one of 3 nerves that supply movement of eye

down and out - superior oblique muscles

Superior orbital fissure

midbrain

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5
Q

What can you tell me about Cranial Nerve V

A

trigeminal nerve (face sensory and movement)

three branches - opthalmic, maxillary, mandibular

facial sensations and muscles of mastication

pons

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6
Q

What can you tell me about Cranial Nerve VI

A

abducent (eye movement)

one of 3 nerves that supply movement of eye

lateral rectus (outward)

superior orbital fissure

pons

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7
Q

What can you tell me about Cranial Nerve VII

A

facial

motor movement of face

pons

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8
Q

What can you tell me about Cranial Nerve VIII

A

vestibulo-cochlear (hearing and balance)

Sensory

Internal auditory meatus

Petrous ridge of temporal bone

pons

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9
Q

What can you tell me about Cranial Nerve IX

A

glosso-pharyngeal (back of tongue and throat - swallowing)

medulla

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10
Q

What can you tell me about Cranial Nerve X

A

vagus (motor and sensory to viscera)

Parasympathetic

Jugular foramen

medulla

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11
Q

What can you tell me about Cranial Nerve XI

A

accessory (spinal)

accessory to vagus

motor to move trapezius and sterno-mastocloid muscles

Jugular foramen

medulla

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12
Q

What can you tell me about Cranial Nerve XII

A

Hypo-glossal (motor to tongue)

Hypoglossal canal

medulla

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