Set 5 CN's Flashcards
What is cranial nerve I?
olfactory
Where does CN I exit?
cribriform plate?
What is the function of CN I?
sensory- smell
What is cranial nerve II?
optic
Where does CN II exit?
optic canal
What is the function of CN II?
sensory- vision
What is cranial nerve III?
Occulomotor
Where does CN III exit?
superior orbital fissure
What is the function of CN III?
motor- eye muscles EXCEPT lateral rectus and superior oblique
What is the smallest CN?
trochlear
Where does CN III synapse?
Edinger Westphal nucleus
What is cranial nerve IV?
Trochlear
What is the function of CN IV?
motor- superior oblique
Where does CN IV exit?
superior orbital fissure
What is cranial nerve V?
Trigeminal
What are the three branches of CN V?
Opthalmic, maxillary, and mandibular
Where does CN Va exit?
superior orbital fissure
Where does CN Vb exit?
foramen rotundum
Where does CN Vc exit?
foramen ovale
What is the function of CN V?
sensory- face and tongue motor- muscles of mastication
What pathology is associated with CN V?
tic douloreux aka trigeminal neuralgia
What is the largest CN?
CN V