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Anatomy Block 3 > Cranial nerves > Flashcards

Cranial nerves Flashcards

1
Q

CNI
components:
opening:

A

sensory
smell
cribiform plate

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2
Q

CNII
components:
opening:

A

sensory
vision
optic canal

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3
Q

CNIII
components:
opening:

A

motor, parasympathetic

motor: superior, inferior, medial rectus muscles, inferior oblique, levator palpebrae superioris
parasympathetic: constrict pupil and accommodation
opening: superior orbital fissure

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4
Q

CNIV
components:
opening:

A

Motor
Motor to superior oblique
superior orbital fissure

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5
Q

CNV
components:
opening:

A 
Sensory and motor
sensory to most of head
motor to muscles of mastication etc.
openings: 
-ophthalmic division-superior orbital fissure
-maxillary division- foramen rotuntum
-mandibular division- foramen ovale
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6
Q

V1, V2, V3 of trigeminal nerve

A

V1 ophthalmic
V2 maxillary division
V3 mandibular
all sensory innervation

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7
Q

What nerve has the longest path through the cranial cavity? why is this important?

A

Abducens nerve

frequently damaged by increased intracranial pressure or by fractures to the base of the skull

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8
Q

CNVI
components:
opening:

A

Motor
motor to lateral rectus
opening: superior orbital fissure

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9
Q

CNVII
components:
openings:

A

Motor, sensory, parasympathetic
Motor: facial expression muscles
Taste: anterior 2/3 of tongue and palate
parasympathetic: submandibular and sublingual salivary glands, lacrimal gland, glands of nose and palate
openings: internal auditory meatus, facial canal, stylomastoid foramen

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10
Q

CNVIII
components:
openings:

A 
Vestibulocochlear
sensory
vestibular- move head
cochlear- hear
opneings: internal auditory/ acoustic meatus
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11
Q

CNIX
components:
openings:

A

Glossopharyngeal: Motor to stylopharyngeus
general sensation and taste: posterior 1/3 of tongue
general sensation from pharynx
sensory from carotid
parasympathetic of parotid gland
opening: jugular foramen

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12
Q

CNX
components:
openings:

A

Vagus
Motor, parasympathetic, sensory, taste– a lot… dont feel like typing all of it… slide 25
Jugular foramen

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13
Q

CNXI
components:
openings:

A

Accessory
Motor to sternocleidomastoid and trapezius muscles
Jugular Foramen

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14
Q

CNXII
components:
openings:

A

Hypoglossal (below tongue)
Motor to intrinsic and extrinsic muscles of tongue
(-except palatoglossus muscle)
opening: hypoglossal canal

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Anatomy Block 3 (14 decks)

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