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
A young motorcyclist falls on the grounds leads to Creek&;s in lands. Which of the following nerve severance leads to cause to death 
Select and explain. 
A. Hypoglossal nerve, B. Vagus nerve, C. Maxillary nerve, D. Accessory nerve
B: Vagus nerve
Answer: B: Vagus nerve 
Explanation: Vagus nerve is the tenth cranial nerve. The fibres of the cranial root of the accessory nerve are also distributed through it. The vagus nerve bears two ganglia, superior and inferior. The superior ganglion is rounded and lies in the jugular foramen. The inferior ganglion is cylindrical and lies near the base of the skull. Ref:BD Chaurasia's HUMAN ANATOMY, Volume 3, 4th edition.