Cranial Nerve Functions

Question 1

Sensory and motor functions of the Olfactory nerve?

Answer 1

Sensory - nose (smell)

Motor - none

Question 2

Sensory and motor function of the Optic nerve?

Answer 2

Sensory - eye

Motor - none

Question 3

What are the sensory and motor functions of the Oculomotor nerve?

Answer 3

Sensory - none

Motor - all eye muscles except lateral rectus and superior oblique

Question 4

What are the sensory and motor functions of the Trochlear nerve?

Answer 4

Sensory - none

Motor - superior oblique muscle

Question 5

What are the sensory and motor functions of the Trigeminal nerve?

Answer 5

Sensory - face dermatomes (3), sinuses, teeth

Motor - muscles of mastication (masseter and temporalis muscles, closing of the jaw)

Question 6

What are the sensory and motor functions of the Abducens nerve?

Answer 6

Sensory - none

Motor - lateral rectus muscle

Question 7

What are the sensory and motor functions of the Vestibulocochlear nerve?

Answer 7

Sensory - inner ear (sound)

Motor - none

Question 8

What are the sensory and motor functions of the Facial nerve?

Answer 8

Sensory - included in anterior 2/3rds of the tongue

Motor - muscles of the face

Question 9

What are the sensory and motor functions of the Glossopharyngeal nerve?

Answer 9

Sensory - posterior 1/3rd of the tongue, tonsil, pharynx

Motor - pharyngeal musculature

Question 10

What are the sensory and motor functions of the Accessory nerve?

Answer 10

Sensory - none

Motor - sternocleidomastoid muscle, trapezius muscle

Question 11

What are the sensory and motor functions of the Hypoglossal nerve?

Answer 11

Sensory - none

Motor - muscles of the tongue

Question 12

What are the sensory and motor functions of the Vagus nerve?

Answer 12

Sensory - heart, lungs, bronchi, trachea, larynx, pharynx, GI tract, external ear
Motor - heart, lungs, bronchi, GI tract