Cranial Nerves 1-6

Question 1

What is the classification and function of Olfactory CN I?

Answer 1

Sensory; smell

Question 2

What is the classification and function of Optic CN II?

Answer 2

Sensory; vision

Question 3

What is the classification and function of Oculomotor CN III?

Answer 3

Motor; eyelid and eyeball movement

Question 4

What is the classification and function of Trochlear CN IV?

Answer 4

Motor; eyeball movement via the superior oblique muscle

Question 5

What is the classification and function of Trigeminal CN V?

Answer 5

Both Sensory and Motor:
Sensory - Cutaneous sensation from face
Motor - Chewing muscles

Question 6

Abducens CN VI

Answer 6

Motor; eyeball movement via the lateral rectus muscle