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| function of the olfactory nerve |
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| 3 functions of oculomotor nerve |
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1) controls a group of muscles responsible for movement of the eyeball and eyelid (m)
2) accommodation of lens for near vision (ps)
3) constriction of the pupil (ps) |
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| condition in which the eyes are not properly aligned with each other |
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| function of the trochlear nerve |
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| controls the superior oblique muscle (involved with movement of the eyeball) [m] |
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| clinical application of the olfactory nerve |
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| clinical application of the optic nerve |
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| clinical application of the oculomotor nerve (3) |
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| strabismus, diplopia, ptosis |
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| clinical application of the trochlear nerve (2) |
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| clinical application of the trigeminal nerve (2) |
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| loss of muscle function, loss of facial sensation |
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| clinical application of the abducent nerve (2) |
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| clinical application of the facial nerve (2) |
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| facial (Bell's) palsy; loss of taste on anterior 2/3 of tongue |
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| clinical application of the vestibulocochlear nerve (2) |
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vestibular branch: vertigo
cochlear branch: tinnitus |
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| clinical application of the glossopharyngeal nerve (3) |
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1) loss of taste on posterior 1/3 of tongue
2) decreased sensation to throat
3) difficulty swallowing |
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| clinical application of the vagus nerve (3) |
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1) decreased sensation to throat
2) difficulty swallowing
3) loss of parasympathetic functions in thorax and abdomen |
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| clinical application of the accessory nerve |
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| clinical application of the hypoglossal nerve |
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| difficulty chewing, speaking, and swallowing |
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| 2 functions of the trigeminal nerve |
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Definition
1) supplies "chewing muscles" [m]
2) sensation to the face [s] |
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| function of the abducent nerve |
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| controls the lateral rectus muscle (involved with movement of the eyeball) [m] |
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| 2 functions of the facial nerve |
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1) supplies muscles of "facial expression" [m]
2) supplies taste to anterior 2/3 of tongue [s] |
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| function of the vestibulocochlear nerve |
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Definition
vestibular branch: equilibrium [s]
cochlear branch: hearing [s] |
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| 3 functions of the glossopharyngeal nerve |
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Definition
1) taste on posterior 1/3 of tongue [s]
2) sensation to throat [s]
3) supplies muscles involved with swallowing [m] |
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| 3 functions of the vagus nerve |
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Definition
1) sensation to throat [s]
2) supplies muscles involved with swallowing [m]
3) carries parasympathetic information to thorax and abdomen [ps] |
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| function of the accessory nerve |
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Definition
| supplies the trapezius and sternocleidomastoid muscles [m] |
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| function of the hypoglossal nerve |
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Definition
| supplies muscles responsible for movement of tongue [m] |
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