L39. Cranial Nerves Flashcards
Name the 12 cranial nerves
- Olfactory
- Optic
- Oculomotor
- Trochlear
- Trigeminal
- Abducens
- Facial
- Vestibulocochlear
- Glossopharyngeal
- Vagus
- Spinal accessory
- Hypoglossal
Describe each cranial nerve regarding their function of sensory, motor or both.
S = sensory, m = motor, b = both
- Olfactory - s
- Optic - s
- Oculomotor - m
- Trochlear - m
- Trigeminal - b
- Abducens - m
- Facial - b
- Vestibulocochlear - s
- Glossopharyngeal - b
- Vagus - b
- Spinal accessory - m
- Hypoglossal - m
What is cranial nerve 1 responsible for? Olfactory
Smell
Which is classed as “regenerating epithelium”?
Olfactory epithelium
What is cranial nerve 2 responsible for? Optic
vision
What is cranial nerve 3 responsible for? Oculomotor
Controls eye movements, lens and pupil movement and lifts the eyelid
What is cranial nerve 4 responsible for? Trochlear
Controls superior oblique eye muscles to allow you to look down
What is cranial nerve 5 responsible for? Trigeminal
Sensory - skin sensation on the face
Motor - jaw muscles
What is cranial nerve 6 responsible for? Abducens
Controls the lateral rectus eye muscle (moves the eye away from the nose)
What is cranial nerve 7 responsible for? Facial
Taste from tongue Facial muscles (motor)
Name the 5 branches of the trigeminal nerve.
Temporal Zygomatic Buccal Mandibular Cervical (20 zombies bit my cat)
What is cranial nerve 8 responsible for? Vestibulocochlear
Hearing and balance
What is cranial nerve 9 responsible for? Glossopharyngeal
Pharynx muscle (gag and swallowing)
Parotid gland
Taste in posterior tongue
Blood pressure changes
What is cranial nerve 10 responsible for? Vagus
Thorax and abdomen organs (motor)
Pharynx and larynx muscles
Sensation from internal organs (rest and digest)
What is cranial nerve 11 responsible for?
Controls trapezius and sternocleidomastoid muscles
