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A&P 1
(4) Cranial Nerves
| Question | Answer |
|---|---|
| what is cranial nerve I | olfactory |
| what is cranial nerve II | optic |
| what is cranial nerve III | oculomotor |
| what is cranial nerve IV | trochlear |
| what is cranial nerve V | trigeminal |
| what is cranial nerve VI | abducens |
| what is cranial nerve VII | facial |
| what is cranial nerve VIII | vestibulocochlear |
| what is cranial nerve IX | glossopharangeal |
| what is cranial nerve X | vagus |
| what is cranial nerve XI | accessory |
| what is cranial nerve XII | hypoglossal |
| is olfactory sensory, motor, or both | sensory |
| is optic sensory, motor, or both | sensory |
| is oculomotor sensory, motor, or both | motor |
| is trochlear sensory, motor, or both | motor |
| is trigeminal sensory, motor, or both | both (mixed) |
| is abducens sensory, motor, or both | motor |
| is facial sensory, motor, or both | both (mixed) |
| is vestibulocochlear sensory, motor, or both | sensory |
| is glossopharyngeal sensory, motor, or both | both (mixed) |
| is vagus sensory, motor, or both | both (mixed) |
| is accessory sensory, motor, or both | motor |
| is hypoglossal sensory, motor, or both | motor |
| innervated structures, main functions, and damage of olfactory | - nose: carry impulses for smell - damage: anosmia- partial or total loss of smell |
| innervated structures, main functions, and damage of optic | - eye: carry impulses for vision - damage: some form of blindness |
| innervated structures, main functions, and damage of oculomotor | - extrinsic eye muscles (4): carry impulses for eye movement - intrinsic eye muscles (smooth muscle): adjusting pupil and lens for clear vision - damage: double vision, eye paralysis, cant see up close |
| how many extrinsic eye muscles does oculomotor control | 4 |
| innervated structures and main functions of trochlear | - extrinsic eye muscle: carry impulses to one extrinsic eye muscle to move eye up and down |
| innervated structures, main functions, and damage of trigeminal | - skin of face, teeth, and eye: carry sensory impulses - chewing muscles (2): carry motor impulses - damage: loss of sensation for that side of face |
| innervated structures and main functions of abducens | - carry impulses to one extrinsic eye muscle to move eye outward |
| innervated structures and functions of facial | - skeletal muscles of face: carry motor impulses for facial expression - salivary glands (2): saliva production - lacrimal glands: tear production - tongue: carry sensory impulses for taste |
| innervated structures, main functions, and damage of vestibulocochlear | inner ear: carry impulses for hearing and balance - damage: deafness and difficulty with balance |
| innervated structures and main functions of glossopharyngeal | - tongue: carry sensory impulses for taste - pharynx: carry motor impulses for swallowing -blood vessels: carry sensory impulses for blood pressure - salivary gland (1): carry motor impulses to increase saliva production |
| innervated structures, main functions, and damage for vagus (vagus has something for everyndoy) | - pharynx: carry sensory impulses for taste - cardiac muscle, smooth muscle, glands in abdominal and pelvic cavities: carry mixed impulses - damage: destruction of both vagus nerves = incompatible with life |
| innervated structures and main functions of accessory | - skeletal muscles of neck and shoulders: carry impulses for neck and shoulder movement |
| innervated structures, main functions, and damage of hypoglossal | - skeletal muscles of tongue: carry impulses for swallowing and speech - damage: tongue paralysis or cant stick out tongue |
| cranial nerve mnemonic | oh oh oh to touch and feel very good velvet, ah heaven |
| function mnemonic | some say marry money but my brother says big brains are better |
Created by:
katiew0