cranial nerves Flashcards
how many cranial nerves are there?
12
where do the cranial nerves originate from?
the brainstem and the cerebellum
what cranial nerves originate from the brainstem
10 (not including optic and olfactory)
what cranial nerves originate from the cerebellum
optic and olfactory
nerve 1
olfactory
nerve 2
optic
nerve 3
oculomotor
nerve 4
trochlear
nerve 5
trigeminal
nerve 6
abducens
nerve 7
facial
nerve 8
vestibulocochlear
nerve 9
glossopharyngeal
nerve 10
vagus
nerve 11
accessory
nerve 12
hypoglossal
does the olfactory nerve have sensory, motor or both?
sensory (special senses)
does the optic nerve have sensory, motor or both?
sensory (special senses)
does the oculomotor nerve have sensory, motor or both?
motor
does the trochlear nerve have sensory, motor or both?
motor
does the trigeminal nerve have sensory, motor or both?
mixed (motor is brachial)
does the abducens nerve have sensory, motor or both?
motor (somatic)
does the facial nerve have sensory, motor or both?
mixed (motor is brachial and autonomic)
does the vestibulocochlear nerve have sensory, motor or both?
sensory (special senses)
does the glossopharyngeal nerve have sensory, motor or both?
both
does the vagus nerve have sensory, motor or both?
both
does the accessory nerve have sensory, motor or both?
motor
does the hypoglossal nerve have sensory, motor or both?
motor
function of the olfactory nerve
smell
function of the optic nerve
vision
function of the oculomotor nerve
most eye movement including reactive eye movement
function of the trochlear nerve
moves the eye to look at the nose
function of the trigeminal nerve
face and oral cavity sensation, mastication, and control of the middle ear muscle
function of the abducens nerve
adducts the eyeballs
function of the facial nerve
facial expression and taste
function of the vestibulocochlear nerve
hearing and equilibrum
function of the glossopharyngeal nerve
taste, gag reflex, and secretion of saliva
function of the vagus nerve
gagging and parasympathetic innervation
function of the accessory nerve
shoulder shrug and movement of head
function of the hypoglossal nerve
swallowing and speech
way to remember the order of the nerves
only one of the two athletes felt very good, victorious, and healthy