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
Duramater of posterior cranial fossa is supplied by all except 
Select and explain. 
A. Hypoglossal nerve, B. Vagus nerve, C. Spinal accessory nerve, D. Facial nerve
C: Spinal accessory nerve
Answer: C: Spinal accessory nerve 
Explanation: Nerve supply of duramater of posterior cranial fossa  7th, 9th, 10th, 12th cranial nerves and spinal nerves C1, C2, C3