Cranial nerve questions Flashcards
what is the parasympathetic function of the occulomotor nerve
cilliary ganglion to constrictor pupillae
general somatic efferent
where is the trigeminal ganglia found
a space in the dura mater called the trigeminal cave
what can cause diplopia (double vision)
damage to one or both nerves that control eye movement meaning that eye movements aren’t synchronised
damage to what nerve can cause ptosis (eyelid drooping)
occulomotor
what is the function of levator palpebrae (occulomotor nerve)
elevates the upper eyelid
why does damage to the sympathetic supply (horner’s) cause ptosis
damage to innervation of superior tarsal muscle which has sympathetic supply and raises the upper eyelid
lateral rectus muscle
abducens
superior oblique muscle
trochlear nerve
what is the vestibuloocular reflex
keeps the head stable and allows the eye to track moving objects
what is the function of glossopharyngeal
stylopharyngeus muscle
sensory innervation to the oropharynx and back of the tongue, psymp to the parotid gland
afferent for gag reflex
what cranial nerve is damaged in a winged scapula
11 (ipsilateral)
describe the effect of hypoglossal nerve injury on the tongue
weakness of the tongue
the tongue moves towards the weakened side
what is the lateral geniculate nucleus
a relay center in the thalamus for the visual pathway
which fascial layer of the neck extends down into the throrax and attaches at the level of the 4th thoracic vertebra
prevertebral fascia
which movement of the TMJ is performed by both lateral and medial pterygoid muscles acting together
side to side movements
