This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Upper Extremity, Subject name: Anatomy
Trapezius is supplied by- 
Select and explain. 
A. Spinal Accessory nerve, B. Greater occipital nerve, C. Thoracodorsal nerve, D. Dorsal Scapular nerve
A: Spinal Accessory nerve
Answer: A: Spinal Accessory nerve 
Explanation: Ans. is 'a' i.e., Spinal Accessory nerve * Spinal accessory (spinal part) nerve supplies motor branches to# Trapezius# Sternocleidomastoid