This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Acoustic Neuroma, Subject name: ENT
Schwannoma most commonly involves the: 
Select and explain. 
A. Vestibular part of VIII nerve, B. Cochlear part of VIII nerve, C. Vagus, D. Hypoglossal
A: Vestibular part of VIII nerve
Answer: A: Vestibular part of VIII nerve 
Explanation: (a) Vestibular part of VIII nerve(Ref. Shambaugh, 6th ed., 644)Rarely it may originate from the other mentioned options in the question