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DPT1 > Cranial Nerves > Flashcards

Cranial Nerves Flashcards

1
Q

Cranial Nerve 1

A

Olfactory Nerve

Exits via: Cribriform plate
Function: Smell (Purely Sensory)
Originates: Cerebellum

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2
Q

Cranial Nerve 2

A

Optic Nerve

Exits via: Optic Canal
Function: Vision (Purely Sensory)
Originates: Cerebellum

Special Structure - Optic Disc is where the optic nerve enters the eye and attaches to the retina

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3
Q

Cranial Nerve 3

A

Oculomotor Nerve

Exits via: Superior Orbital Fissure
Function: Motor to most of the eye muscles & Ciliary muscle control
Originates: ventral brainstem

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4
Q

Cranial Nerve 4

A

Trochlear Nerve

Exits via: Superior Orbital Fissure
Function: Eye movement
Originates: Dorsal Brainstem

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5
Q

Cranial Nerve 5a

A

Ophthalmic Division of Trigeminal Nerve

Exits via: Superior Orbital Fissure
Function: Sensory to the face (above the eyes)
Originates: Ventral brainstem

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6
Q

Cranial Nerve 5b

A

Maxillary Division of the Trigeminal Nerve

Exits via: Foramen Rotundum
Function: Sensory to the Face (mid-section)
Originates: Ventral Brainstem

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7
Q

Cranial Nevre 5c

A

Mandibular Division of the Trigeminal Nerve

Exits via: Foramen Ovale
Function: Sensory to the face (mandible area) & motor to muscles of mastication
Originates: Ventral Brainstem

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8
Q

Cranial Nerve 6

A

Abducens Nerve

Exits via: Superior Orbital Fissure
Function: Motor to the lateral rectus muscle in the eye
Originates: Ventral Brainstem

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9
Q

Cranial Nerve 7

A

Facial Nerve

Exits via: Internal Auditory meatus
Function: Motor to muscles of facial expression, parasympathetic to lacrimal and sublingual glands and Taste (anterior 2/3rds of the tongue)
Originates: Ventral Brainstem

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10
Q

Cranial nerve 8

A

Vestibulocochlear Nerve

Exits via: Internal Auditory Meatus
Function: Balance and Hearing
Originates: Ventral Brainstem

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11
Q

Cranial Nerve 9

A

Glossopharyngeal nerve

Exits via: jugular Foramen
Function: Motor to stylopharyngess, taste to posterior 1/3, carotid sinus & parasympathetic to parotid gland
Originates: Ventral Brainstem

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12
Q

Cranial Nerve 10

A

Vagus Nerve

Exits via: Jugular Foramen
Function: Motor to Larynx and Tongue, Parasympathetic to most organs and taste of epiglottis
Originates: Ventral Brainstem

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13
Q

Cranial Nerve 11

A

Accessory Spinal Nerve

Exits via: Jugular Foramen
Function: Motor to Trapezius and sternocleidomastoid
Originates: Ventral Brainstem

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14
Q

Cranial Nerve 12

A

Hypoglossal Nerve

Exits via: Hypoglossal Canal
Function: Motor to most muscles of the tongue
Originates: Ventral Brainstem

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DPT1 (7 decks)

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