Statistics for Cranial nerves - functions

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Function	Motor/Sensory	Cranial nerve	% Correct
Transmits Visual signals from the retina of the eye to the brain	Sensory	Optic (II)	99%
Taste from anterior 2/3 of tongue and facial expressions	Both	Facial (VII)	79%
Transmits sense of smell from the nasal cavity	Sensory	Olfactory (I)	76%
Controls sternocleidomastoid and trapezius muscles (Head and shoulders)	Motor	Accessory (XI)	75%
Turns eye laterally	Motor	Abducens (VI)	71%
Eyelid movement, pupil size and reactivity	Motor	Oculomotor (III)	67%
Moves eye downward and laterally	Motor	Trochlear (IV)	66%
Chewing; facial and mouth sensation	Both	Trigeminal (V)	64%
Controls muscles for voice, gagging and smooth muscle control	Both	Vagus (X)	61%
Carries impulses for hearing and equilibrium for balance	Sensory	Vestibulocochlear (VIII)	61%
Taste from posterior 1/3 of tongue, gagging and swallowing	Both	Glossopharyngeal (IX)	56%
Movement of the tongue, helps articulate speech	Motor	Hypoglossal (XII)	54%

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