Cranial Nerves Flashcards
What is the first cranial nerve?
- Olfactory nerve
What is the second cranial nerve?
- Optic nerve
What is the third cranial nerve?
- Oculomotor nerve
What is the fourth cranial nerve?
- Trochlear nerve
What is the fifth cranial nerve?
- Trigeminal nerve
What is the 6th cranial nerve?
- Abducens nerve
What is the 7th cranial nerve?
- Facial nerve
What is the 8th cranial nerve?
- Auditory/Vestibular nerve
What is the 9th cranial nerve?
- Glossopharyngeal nerve
What is the 10th cranial nerve?
- Vagus nerve
What is the 11th cranial nerve?
- Accessory nerve
What is the 12th cranial nerve?
- Hypoglossal nerve
What is the olfactory nerve for?
sense of smell
What is the optic nerve for?
sense of sight
What is the oculomotor nerve for?
pupil dilation/constriction, upper eyelid movement. ability to move/blink eyes
What is the trochlear nerve for?
ability to move eyes up and down or back and forth
What is the trigeminal nerve for?
3 branches, sensations in face (forehead, cheeks, chin). jaw movements
What is the abducens nerve for?
ability to move eyes
What is the facial nerve for?
facial expressions
What is the auditory nerve for?
sense of hearing/balance
What is the glossopharyngeal nerve for?
ability to swallow
What is the vagus nerve for?
digestion and heart rate
What is the spinal accessory nerve for?
shoulder and neck movement
What is the hypoglossal nerve for?
ability to move tongue
how do you test for the olfactory nerve? (#1)
Use of cotton grounds or essential oil to test smell (ask: close your eyes, what do you smell?)
how do you test for the optic nerve? (#2)
Snellen chart
how do you test for the oculomotor nerve? (#3)
Have pt look up and down
how do you test for the trochlear nerve? (#4)
follow finger to nose
how do you test for the trigeminal nerve? (#5)
use cotton swab to test feeling on forehead, cheek, and chin. have pt bite down with jaws
how do you test for the abducens nerve? (#6)
six cardinal gazes
how do you test for the facial nerve? (#7)
smile, frown, show teeth, raise eyebrows
how do you test for the auditory nerve? (#8)
whisper, rinne, weber test
how do you test for the glossopharyngeal nerve? (#9)
use tongue depressor to test gag
how do you test for the vagus nerve? (#10)
swallow
how do you test for the spinal accessory nerve? (#11)
shrug shoulders
how do you test for the hypoglossal nerve? (#12)
stick tongue in and out