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
Sympathetic root of otic ganglion 
Select and explain. 
A. Plexus around ICA, B. Plexus around facial aery, C. Plexus around ophthalmic aery, D. Plexus around middle meningeal aery
D: Plexus around middle meningeal aery
Answer: D: Plexus around middle meningeal aery 
Explanation: ROOTS OF OTIC GANGLION: Sensory root is by auriculotemporal nerve Sympathetic root is by sympathetic plexus around middle meningeal aery Secretomotor root is by lesser petrosal nerve from tympanic plexus formed by tympanic branch of cranial nerve IX Motor root is by a branch from nerve to medial pterygoid Ref BDC volume 3,sixth edition pg 311