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Cranial Nerve Exam
Correlation of cranial nerve with neurological examination
| Question | Answer |
|---|---|
| Cranial Nerve I | Olfactory Nerve |
| Cranial Nerve II | Optic Nerve |
| Cranial Nerve III | Oculomotor Nerve |
| Cranial Nerve IV | Trochlear Nerve |
| Cranial Nerve V | Trigeminal Nerve |
| Cranial Nerve VI | Abducens Nerve |
| Cranial Nerve VII | Facial Nerve |
| Cranial Nerve VIII | Auditory Nerve |
| Cranial Nerve IX | Glossopharyngeal Nerve |
| Cranial Nerve X | Vagus Nerve |
| Cranial Nerve XI | Spinal Accessory Nerve |
| Cranial Nerve XII | Hypoglossal Nerve |
| Smell | Cranial Nerve I (olfactory) |
| Visual Acuity | Cranial Nerve II (optic) |
| Visual Fields | Cranial Nerve II (optic) |
| Pupil Reaction to light | Cranial Nerve II and III (optic and oculomotor) |
| Lateral Eye Movements | Cranial Nerve III and VI (oculomotor and abducens) |
| Upward Eye Movements | Cranial Nerve III (oculomotor) |
| Downward Eye Movements | Cranial Nerve III (oculomotor) |
| Pain and Temperature of the Face | Cranial Nerve V (trigeminal) |
| Raising eyebrows, eye closure, smile | Cranial Nerve VII (facial) |
| Hearing | Cranial Nerve VIII (auditory) |
| Corneal Reflex | Cranial Nerve V and VII (trigeminal and facial) |
| Taste anterior 2/3's of tongue | Cranial Nerve VII (facial) |
| Balance | Cranial Nerve VIII (vestibular) |
| Gag Reflex | Cranial Nerve IX and X (glossopharyngeal and vagus) |
| Shoulder shrug, head turning | Cranial Nerve XI (spinal accessory) |
| Tongue protrusion | Cranial Nerve XII (hypoglossal) |
| Weber's Test | Tuning fork on the top of the head, midline |
| Rinne's Test | Air Conduction > Bone Conduction |
| Conduction hearing loss | Bone Conduction > Air Conduction |
| Sensorineural hearing loss | Air Conduction > Bone Conduction |
| Diplopia | Cranial III, IV, or VI dysfunction |
| Bell's palsy | Cranial Nerve VII (facial nerve) dysfunction |
| Superior Rectus muscle | Cranial Nerve III (oculomotor) |
| Lateral Rectus muscle | Cranial Nerve VI (abducens) |
| Superior Oblique muscle | Cranial Nerve IV (trochlear) |
| Inferior Oblique muscle | Cranial Nerve III (oculomotor) |
| Medial rectus muscle | Cranial Nerve III (oculomotor) |
| Tinnitus | Cranial Nerve VIII (auditory) |
| Vertigo | Cranial Nerve VIII (vestibular) |
| Complete ptosis | Cranial Nerve III (oculomotor) |
| Anosmia | Cranial Nerve I (olfactory) dysfunction |
| Dysgeusia | Cranial Nerve VII (facial) dysfunction |
| Midbrain | Cranial Nerve III, IV, V (mesencephaalic) |
| Pons | Cranial Nerve V (main) |
| Caudal Pons | Cranial Nerve VI and VII |
| Ponto-Medullary junction | Cranial Nerve VIII |
| Medulla | Cranial Nerve V, X, XII |
| Upper Cervical Cord | Cranial Nerve XI |