Cranial Nerves Flashcards
Cranial nerve 1
Olfactory
Cranial nerve 2
Optic
Cranial nerve 3
Oculomotor
Cranial nerve 4
Trochlear
Cranial nerve 5
Trigeminal
Cranial nerve 6
Abducens
Cranial nerve 7
Facial
Cranial nerve 8
Acoustic
Cranial nerve 9
Glossopharyngeal
Cranial nerve 10
Vagus
Cranial nerve 11
Spinal accessory
Cranial nerve 12
Hypoglossal
Test cranial nerve 1
Olfactory
Check for inflammation, obstruction, or mucus
Use non-irritating stimulants
Test cranial nerve 2
Check pupils see the light (not constrictions just sight)
Visual acuity
Test cranial nerve 3
Pupil constriction
Follow finger up/out, up/in, down/out, and medially
Lid does not dip below iris
Test cranial nerve 4
Trochlear
Ability to move eyes down/in
Assess cranial nerve 5
Trigeminal
Corneal reflex to cotton
Sensation of the face
Muscle tone of teeth clenched
Assess cranial nerve 6
Abducens
Ability to move eyes laterally
Assess cranial nerve 7
Facial
Motor component of corneal reflex
Facial muscle of brows, nose, and mouth
Assess cranial nerve 8
Acoustic
Vestibular balance
Weber and Rhine
High frequency sounds such as faint whisper, watch tick, or rubbing fingers
Assess cranial nerves 9 and 10
Glossopharyngeal and vagus
Bilateral elevation of palate
Uvula midline
Palate generated sounds like Ka and Ga
Ability to give strong cough
Assess cranial nerve 11
Spinal accessory
Chin turn against force
Shoulder raise against force
Assess cranial nerve 12
Hypoglossal
Tongue deviation to affected side
Tongue to cheek against force
Tongue generated sound such as la
