Cranial Nerves Flashcards
Cranial nerve 1
olfactory
Olfactory nerve
smell
How to test olfactory nerve
identify scents
Cranial nerve 2
optic
Optic nerve
central and peripheral vision
How to test optic nerve
follow object (infants), cover eye and count fingers
Cranial nerve 3
oculomotor
Oculomotor nerve
pupillary restriction, eyelid drooping
How to test oculomotor nerve
PERRLA
Cranial nerve 4
trochlear
Trochlear nerve
downward eye motion
Cranial nerve 5
trigeminal
Trigeminal nerve
mastication muscles and facial sensation
How to test trigeminal nerve
sucking (infants), bite strength/light facial touch
Cranial nerve 6
Abducens
Abducens nerve
eye muscle movement laterally
How to test abducens nerve
follow object
Cranial nerve 7
facial
Facial nerve
muscles of face, symmetry, salivation, taste
How to test facial nerve
smiles/cries (infants), discern tastes
Cranial nerve 8
acoustic
Acoustic nerve
hearing
How to test acoustic nerve
respond to voice (infants), whisper/weber/Rinne test
Cranial nerve 9
glossopharyngeal
Glossopharyngeal nerve
motor impulses to heart, organs, gag reflex, swallowing
How to test glossopharyngeal nerve
gag reflex, swallowing
Cranial nerve 10
vagus
Vagus nerve
motor impulses to heart, organs, gag reflex, swallowing
How to test vagus nerve
gag reflex, swallowing
Why is the vagus nerve important
close location to the brain stem
Cranial nerve 11
Accessory
Accessory nerve
impulses to muscles of shoulders, pharynx
How to test accessory nerve
assess head symmetry while sitting (infants), shrug shoulders, turn L/R against resistance
Cranial nerve 12
Hypoglossal
Hypoglossal nerve
motor muscles to tongue/skeleton
How to test hypoglossal nerve
monitor tongue movements (infant), stick out tongue
