Cranial Nerve Lesions Flashcards
Lesion of CN I results in…
Loss of smell
Lesion of CN II results in…
Dilated pupil, vision problems
Lesion of CN III results in…
Dilated pupils, eye turns down and out
Lesion of CN IV results in…
Unable to look down when eye is abducted
Lesion of CN V results in…
Loss of muscles of mastication on the side of the lesion
Lesion of CN VI results in…
Unable to move eye laterally
Lesion of CN VII results in…
Unable to wrinkle forehead, loss of taste on anterior 2/3 tongue
Lesion of CN VIII results in…
loss of balance, vertigo,nystagmus, sensorineural hearing loss
Lesion of CN IX results in…
Loss of taste on posterior 1/3 of tongue
Lesion of CN X results in…
Deviation of uvula away from the affected side, hoarseness, ipsilateral vocal cord paralysis, dysphagia
Lesion of CN XI results in…
Paralysis of sternocleidomastoid and trapezius
Lesion of CN XII results in…
Tongue deviates toward affected side
