This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anatomy
The preganglionic parasympathetic fibres to the parotid gland travel in - 
Select and explain. 
A. Lesser petrosal nerve, B. Greater petrosal nerve, C. Deep petrosal nerve, D. Internal carotid nerve
A: Lesser petrosal nerve
Answer: A: Lesser petrosal nerve 
Explanation: Preganglionic fibers → Inferior salivary nucleus, IX nerve, tympanic branch, tympanic plexus, lesser petrosal nerve.
Ganglion → Otic ganglion.
Postganglionic fibers → Auriculotemporal nerve.