Cranial Nerves

Question 1

CN 1

Answer 1

Olfactory nerve

Orgin: nose
Sensory: smell
Motor: none

Question 2

CN 2

Answer 2

Optic Nerve

Orgin: eye
Sensory: vision
Motor: none

Question 3

CN 3

Answer 3

Oculomotor Nerve

Orgin: midbrain
Sensory: none
Motor: (s) extrinsic eye muscles
(A) intrinsic eye muscles

Question 4

CN 4

Answer 4

Trochlear Nerve

Orgin: midbrain
Sensory: none
Motor: extrinsic eye muscles

Question 5

CN 5

Answer 5

Trigeminal Nerve

Orgin: pons
Sensory: face (somatic)
Motor: muscles of mastication

Question 6

CN 6

Answer 6

Abducens Nerve

Origin: pons
Sensory: none
Motor: extrinsic eye muscles

Question 7

CN 7

Answer 7

Facial Nerve

Origin: pons
Sensory: taste
Motor: (s) muscles of facial expression
(A) salivary glands

Question 8

CN 8

Answer 8

Vestibulocochlear Nerve

Origin: inner ear
Sensory: balance; hearing
Motor: none

Question 9

CN 9

Answer 9

Glossopharyngeal Nerve

Orgin: medulla oblongata
Sensory: taste; carotid (visceral)
Motor: (s) pharynx
(A) salivary glands

Question 10

CN 10

Answer 10

Vagus Nerve

Origin: medulla oblongata
Sensory: aorta (visceral)
Motor: (s) pharynx, larynx
(A) thoracic/abdominal organs

Question 11

CN 11

Answer 11

Accessory nerve
“Technically not a cranial nerve”

Origin: spinal cord (c1-c5)
Sensory: none
Motor: trapezius, SCM

Question 12

CN 12

Answer 12

Hypoglossal Nerve

Origin: medulla oblongata
Sensory: none
Motor: tongue muscles