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
[{'content': 'Cranial pa of accessory nerve supplies all palatal muscles, EXCEPT? \nSelect and explain. \nA. Palatoglossus, B. Palato pharyngeus, C. Tensor veli palatini, D. Tensor veli tympani', 'role': 'user'}, {'content': 'Answer: C \nExplanation: The cranial root of the accessory nerve is smaller than the spinal root. It exits the skull through the jugular foramen and unites for a sho distance with the spinal root. Its fibers innervate the pharyngeal and palatal muscles, except tensor veli palatini.', 'role': 'assistant'}]