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
The muscle stylopharyngeus is supplied by which nerve ? 
Select and explain. 
A. Vagus, B. Spinal accessory, C. Glossopharyngeal, D. Facial
C: Glossopharyngeal
Answer: C: Glossopharyngeal 
Explanation: The motor fibers are derived from cranial accessory nerve through the branches of the vagus. They supply all muscles of pharynx,except the stylopharyngeus which is supplied by the glossopharyngeal nerve <img src=" /> Ref.BDC volume 3,Sixth edition 235