Cranial Nerves Flashcards
Cranial Nerve 1
Olfactory - Smell (sensory)
Does noxious (skunk) stimuli stimulate cranial nerve #1?
No (surrounding nerves)
Cranial Nerve 2
Optic - Peripheral Vision (sensory)
How do we test cranial nerve 2
cover 1 eye - use Snellen chart/color vision
How do we test cranial nerve 1
close eyes and 1 nostril - smell
Cranial Nerve 3, 4 and 6
Eye Movements - pupils to light
How do we test cranial nerves 3,4, and 6
follow finger in “H” pattern
shine light into pupils (dilation)
cranial nerve 5
Facial Sensation/Jaw Movement (forehead, cheek, lower jaw) - sensory and motor
how do we test cranial nerve #5
fingers on temple ask pt. to bite down can you separate
is this “hard or soft” around the face
cranial nerve #7
Facial Movement/Taste (anterior 2/3 of tongue)
how do we test cranial nerve #7
Ask patient to close eyes tight, raise eyebrows, smile, frown and puff out cheeks.
cranial nerve #8
Acoustic - hearing/balance (sensory)
how do we test cranial nerve #8
cover one ear and then whisper in the opposite ear or use a ticking watch
cranial nerves 9 and 10
sensation to posterior 1/3 of tongue; swallowing (sensory and motor)
how do we assess nerves 9 and 10
say “ahh” note upward movement of the palate and uvula. Check gag and cough reflex. Listen to speech, hoarse? dysarthric(stuttering)?