Final answer:
The facial nerve (cranial nerve VII) originates from the pons in the brainstem and contains preganglionic parasympathetic fibers.
Step-by-step explanation:
The facial nerve (cranial nerve VII) originates from the pons, which is a part of the brainstem. It contains preganglionic parasympathetic fibers that are responsible for controlling various functions such as facial expressions, mastication, swallowing, and speech.