Cranial nerves Flashcards
Olfactory (1) function
Smell
Optic (2) function
Vision
Oculomotor (3) function
Constricts or dilates pupils and moves eye lids
Trochlear (4) function
Eye movement downwards and towards midline (medial movement)
Trigeminal (5) function
senses pain, touch and temperature on face. also allows jaw clenching and movement
Abducens (6) function
lateral eye movement
facial (7) function
taste, anterior 2/3 of tongue, and movement of facial muscles (expressions)
Acoustic (8) function
hearing and balance
glossopharyngeal (9) function
taste, 1/3 of tongue, gag reflex, and swallowing
Vagus (10) function
swallowing and talking, controls sensations in all organs (hunger)
Spinal accessory (11) function
movement of shoulders and head rotation
hypoglossal (12) function
movement of tongue
test for olfactory
detect smells with oils
test for optic
use visual chart and check visual fields
test for oculomotor, trochlear, and abducens
check if eyelids are droopy, follows finger left and right, and close and far
test for trigeminal
clench teeth and move jaw from side to side. sharp vs dull sensation around face
test for facial
smiling, puffing cheeks, raise eyebrows, show teeth
test for acoustic
whisper test
test for glossopharyngeal and Vagus
saying ‘ah’ soft palate should rise, stimulate gag reflex on SIDE of mouth
test for spinal accessory
turn head against hand, move shoulders upwards
test for hypoglossal
tongue movement side to side, say “light, tight, dynamite”
