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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 |