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cranial nerves tests
cranial nerves
Question | Answer |
---|---|
Glossopharyngeal | Taste on 1/3 posterior tongue. Swallowing, gag reflex, stimulates parotid gland secretions |
Trochlear | up and down eye movement |
trigeminal | Major sensory nerve of the face. Chewing, corneal reflex, blink reflex. |
III | Oculomotor |
Abducens | Lateral Eye movement |
Optic Nerve | Sight |
How to Check the optic nerve? | Snellen Chart |
Oculomotor | pupil constriction; extra ocular movement |
Spinal Accessory | Rotation of head, Raising the shoulders |
XII | Hypoglossal |
Saying to remember the cranial nerves in order | On Old Olympus Towering Tops A Fin And German Viewed Some Hops |
3 branches of Trigeminal Nerve | Opthalmic, Maxillary, Mandible |
Olfactory | Transmits sense of smell |
What nerve passes thru thalmus | Olfactory |
Saying for Sensory, Motor, or Mixed | Some Say Marry Money, But My Brother Says Bad Business Marries Money |
X | Vagus |
II | Optic Nerve |
Cranial Nerves IX - XII | Medulla Oblongata |
Vagus Nerve Test | Have Patient say "Ahh" |
V | Trigeminal |
Facial Nerve Test | Have patient smile and frown |
Vestibulocochlear Nerve Test | Whisper Test |
Cranial Nerves III - IV | Midbrain |
Cranial Nerves V - VIII | Pons |
Hypoglossal Nerve Test | Have patient stick tongue out; tongue should be @ midline |
Trigeminal Corneal Reflex test | Have patient look to side; touch cornea w/ cotton wisp, watch for blinking reflex |
Vagal Stimulation | Causes Bradycardia and hypotension. Also stimulates gastric juices, along with GI |
Auditory/acoustic/vestibulocochlear Nerve | Hearing and balance |
IX | Glossopharyngeal |
IV | Trochlear |
Vagus | Parasympathetic Nervous system. Called the wonderer. Longest cranial nerve in the body. Stimulated by gag reflex and Rectal exam |
XI | Spinal Accessory |
I | Olfactory |
Hypoglossal | Movement of the tongue |
Cranial Nerves I - II | Higher than Midbrain |
VI | Abducens |
Facial | Taste on 2/3 of anterior tongue ; facial expressions |
VII | Facial |
VIII | Auditory/Acoustic/Vestibulocochlear |