This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Upper limb, Subject name: Anatomy
[{'content': 'Ulnar nerve root is \nSelect and explain. \nA. C4 C5, B. C5 C6, C. C7 C8, D. C8 T1', 'role': 'user'}, {'content': "Answer: D \nExplanation: Root value of Ulnar Nerve - Ventral rami of C8 and T1. It also get fibres of C7 from the ventral root of median nerve. Ref : B D Chaurasia's Human Anatomy , seventh edition , volume 1 , pg. no, 181 Fig Ref : B D Chaurasia's Human Anatomy , seventh edition , volume 1 , pg. no,57 (FIG. 4.14 )", 'role': 'assistant'}]