Question

What type of cranial nerve is the trochlear nerve (CN IV)?

1) Motor
2) Sensory
3) Both

Answer 1

The trochlear nerve (CN IV) is a motor cranial nerve that innervates the superior oblique muscle and is involved in coordinating eye movements.

Step-by-step explanation:

The trochlear nerve (CN IV) is a motor cranial nerve. It innervates the superior oblique muscle, which is responsible for downward and inward rotation of the eye. The trochlear nerve is involved in coordinating eye movements.