Spinal Nerves

Question 1

CNI

Answer 1

Olfactory- sensory nerve- sense of smell

Question 2

CII

Answer 2

Optic-sensory-vision

Question 3

CN-III

Answer 3

Occulomotor

Question 4

CN-IV

Answer 4

Trochlear-motor-moves eyes in and down

Question 5

CN-V

Answer 5

Trigeminal sensory and motor-

Question 6

CN VI Abducens Nerve

Answer 6

ABDUCENS- MOTOR-Innervates Lateral rectus muscle of the ipsilateral orbit

Question 7

CN VII Facial Nerve

Answer 7

Motor/Sensory
Muscles of facial expression + some muscles involved with swallowing
Taste on the anterior 2/3 of tongue + hard/soft palets

Question 8

CN VIII Acoustic Vestibular Cochlear

Answer 8

Sensory

Hearing + Balance

Question 9

CN IX Glossopharangeal

Answer 9

Motor/Sensory
Taste to posterior 1/3 of tongue
Parasympathetic innervation to Pharynx, Larynx, Organs of Abdomen

Question 10

CN X Vagus Nerve

Answer 10

Sensory/Motor
Vagus = Wandering
Impacts blood pressure
Helps w/ CN IX
Rest + Digest- Parathimpathetic

Question 11

CN XI Spinal Accessory

Answer 11

Motor
Innervate Traps + SCM Muscles
Innervates Muscles of Larynx + Pharynx

Question 12

CN XII Hypoglossal

Answer 12

Motor

All Intrinsic + most extrinsic muscles of tongue