Cranial Nerves Flashcards
1
Q
CN I
A
Olfactory nerve (smell)
Sensory
2
Q
CN II
A
Optic Nerve
Vision
sensory
3
Q
CN III
A
Oculomotor Nerve
- Most eye movement:
- all extraocular muscles except superior oblique and lateral rectus
- levator palpebrae superioris
- intra ocular muscles: sphinter pupillae and cilliary muscle
*
4
Q
CN IV
A
Trochlear Nerve
Moves eye
motor (Superior Oblique) turns eye inward and down (looking at nose)
5
Q
CN V
A
Trigeminal Nerve
- face sensation (touch 3 branches with q-tips)
- mastication (clench jaw, move it side to side)
- both motor and sensory
6
Q
CN VI
A
Abducens Nerve
- motor
- abducts the eye via the lateral rectus (look toward your ear)
7
Q
CN VII
A
Facial Nerve
- facial expression (scrunch forehead, smile, puff your cheeks, dont let me open your eyes)
- taste
- can be affected if trauma to inner ear as it runs through there
- somatic sensation of the external acoustic meatus and motor control of the stapedius muscle of middle ear
8
Q
CN VIII
A
vestibulocochlear nerve
- hearing and balance
- sensory
9
Q
CN IX
A
- Glossopharyngeal nerve
- both motor and sensory
- taste
- gag reflex
- somatic sensation of external ear, middle ear
10
Q
CN X
A
- Vagus Nerve
- both sensory and motor
- gag reflex, parasympathetic innervation
11
Q
CN XI
A
- accessory nerve
- motor
- shrug shoulders turn your head against my hand
12
Q
CN XII
A
- hypoglossal nerve
- motor
- swallowing, speech
- stick your tongue out and move it side to side
- **if there is a problem the tongue will point to it**
13
Q
Pneumonic to remember nerves
A
Oh Oh Oh, To Touch And Feel A Good Vein, Ah, Heaven
14
Q
Pneumonic to remember if cranial nerves are sensory, motor or both
A
Some Say Money Matters But My Brother Says Big Brains Matter Most
15
Q
Label the Muscles of the Eye
A
