Cranial Nerves Flashcards
(47 cards)
where does the olfactory nerve exit the skull?
cribiform plate
Where does the optic nerve exit the skull?
optic canal
Where does the obitulomotor nerve exit the skull?
superior orbital fissure
where does the trochlear nerve exit the skull?
superior orbital fissure
Where does the trigeminal nerve (v1) exit the skull?
superior orbital fissure
Where does the trigeminal nerve (v2) exit the skull?
foramen rotundum
Where does the trigeminal nerve (v3) exit the skull?
formaen ovale
Where does the abducens nerve exit the skull?
superior orbital fissure
Where does the facial nerve exit the skull?
inferior acoustic meatus
Where does the vestibulocochlear nerve exit the skull?
inferior acoustic meatus
Where does the glossopharyngeal nerve exit the skull?
jugular foramen
Where does the vagus nerve exit the skull?
jugular foramen
Where does the accessory nerve exit the skull?
jugular foramen
Where does the hypoglosseal nerve exit the skull?
hypoglosseal nerve
What does the olfactory nerve do?
provides sense of scent (special afferent)
What does the optic nerve do?
provides sense of vision, retina (special afferent)
What does the oculomotor nerve do?
raises the eyelid (somatic motor), constriction/dilation (visceral motor)
What does the trochlear nerve do?
keeps eyes level when tilting head (somatic motor)
What does the abducens nerve do?
moves the eyes away from the midline (abduction - eye towards the nose).
What does the trigeminal nerve do?
provides innervation to the face via opthalamic, maxillary and mandibular nerves.
The V1 supraorbital nerve is a branch of what?
opthalmic
The V2 infraorbital nerve is a branch of what?
maxillary
The V3 mandibular nerve is a branch of what?
mental
What does the ophthalmic nerve do?
innervates the scalp, eyes, nose and forehead
