Cranial Nerves Flashcards by David Shelley

Q

What is CN I

A

Olfactory nerve

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Q

What is CN II

A

Optic Nerve

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Q

What is CN III

A

Oculomotor nerve

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Q

What is CN IV

A

Trochlear nerve

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Q

What is CN V

A

Trigeminal nerve

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Q

What is CN VI

A

Abducens nerve

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Q

What is CN VII

A

Facial Nerve

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Q

What is CN VIII

A

Vestibulocochlear Nerve

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Q

What is CN IX

A

Glossopharyngeal Nerve

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Q

What is CN X

A

Vagus nerve

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Q

What is CN XI

A

Accessory Nerve

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Q

What is CN XII

A

Hypoglossal Nerve

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Q

Which CN are purely sensory

A

CN I (olfactory) & CN II (optic)

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Q

What is CN I’s function

A

Sense of smell

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Q

What is the function of CN II

A

Visual impulses to the brain

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Q

What is the function of CN III

A

Movement of the eye & upper eyelid

Accommodation

Pupil constriction

Proprioception

Q

What is the function of CN IV

A

Eye movement

Proprioception

Q

What is the function of CN V

A

Lower face sensation

Mastication

Proprioception

Q

What is the function of CN VI

A

Eye movement

Proprioception

Q

What is the function of CN VII

A

Facial expression

Taste

Salivation

Q

What is the function of CN VIII

A

Sense of equilibrium

Hearing

Q

What is the function of CN IX

A

Taste, sensations from tongue

Monitor B/p, O2, & CO2 in blood

Elevates pharynx during speech & swallowing

Q

What is the function of CN X

A

Taste sensation from pharynx

Monitor B/p, O2, & CO2 in blood

Sensation from visceral organs

GI tract muscle activity & secretions

Q

What is the function of CN XI

A

Swallowing

Movement of head and shoulders

Proprioception

Q

What is the function of CN XII

A

Movement of tongue

Proprioception