cranial nerves Flashcards
special sense of smell
olfactory nerve
origin is receptors in nasal mucus
olfactory nerve
is in olfactory foramina in the cribriform plate in ethmoid bone and goes to olfactory bulbs
olfactory nerve
short term damage of smell is caused by cold/allergies
olfactory nerve
long term damage causes loss of smell
olfactory nerve
special sense of vision
optic nerve
origin is retina
optic nerve
goes from retina, to optic canal, to thalamus, to optic chiasm, to primary visual cortex in back of occipital lobe
optic nerve
blindness in right eye
right monocular blindness
blindness on temporal sides of both eyes
bitemporal hemianopsia
blindness on both right sides of eyes
right homonymous hemianopsia
somatic motor for eye movement
oculomotor nerve
visceral motor for accommodation
oculomotor nerve
origin is in mesencephalon
oculomotor nerve
levator palpebrae superior function
opens eyelids
levator papebrae is part of what nerve
oculomotor nerve
which muscles are innervated by the oculomotor nerve
superior rectus, inferior rectus, medial rectus, and inferior oblique
which part of the autonomic nervous system constricts the pupil
parasympathetic
which part of the autonomic nervous system dilates the pupil
sympathetic
superior rectus function
elevate
inferior rectus function
depress
medial rectus function
adduct
lateral rectus function
abduct
superior oblique function
down and out
inferior oblique function
up and out
SO4
superior oblique is innervated by trochlear nerve
LR6
lateral rectus is innervated by abducens nerve
orbicularis oculi function
closes eyelids
orbicularis oculi is innervated by which nerve
facial nerve
oculomotor lesion
eye falls unopposed
somatic motor for eye movement for one muscle
trochlear nerve
double vision + inability to rotate eye down and out
trochlear nerve
