This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Head and neck, Subject name: Anatomy
[{'content': 'Otic ganglion supplies \nSelect and explain. \nA. Submandibular gland, B. Lingual gland, C. Parotid gland, D. All three', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Sensory root is by the auriculotemporal nerve Sympathetic root is by the sympathetic plexus around middle meningeal aery Secretomotor root is by the lesser petrosal nerve from the tympanic plexus formed by the tympanic branches of cranial nerve IX.Fibres of lesser petrosal nerve relay in the otic ganglion. Postganglionic fibres reach the parotid gland through the auriculotemporal nerve Motor root is by a branch from nerve to medial pterygoid.This branch passes unrelayed through the ganglion and divides into two branches to supply tensor veli palatini and tensor tympani. Ref.BDC volume 3,sixth edition', 'role': 'assistant'}]