Unit 1 - Cranial Nerve Overview Flashcards
Olfactory - type?
Special sensory
Olfactory - fibers in the olfactory mucosa traverse the ________ and synapse on the ______.
cribriform plate, olfactory bulb
Optic - type?
Special sensory
Optic - fibers from the ______ converge on the _______ and are carried in the ________, ____, and tract to the __________?
retina, optic disc, optic nerve, chasm,
lateral geniculate body
Do all nerves cross over in the optic chiasma?
no
Oculomotor - type?
Motor; somatic and parasympathetic
Oculomotor supplies?
5 somatic muscles and
2 visceral muscles
Trochlear - type?
Somatic motor
Which is the smallest cranial nerve?
trochlear- CN IV
Trochlear (CN-IV) supplies which muscle?
Superior oblique
Which cranial nerve is on posterior side of brain stem and fibers cross over?
Trochlear
What is the function of the superior oblique muscle?
Turns eyes down and out
Trigeminal - type?
Mixed; somatic motor and sensory
Which is the “Great Sensory Nerve of the Face”?
Trigeminal
Trigeminal sensory areas include?
orbit, nasal cavity and paranasal sinuses, oral cavity, ear, internal skull
Which is the largest cranial nerve?
trigeminal
Which cranial nerves is supply to the muscles of mastication?
Trigeminal