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
True about radial nerve: 
Select and explain. 
A. Branch of posterior cord, B. Nerve of extensor compament of forearm, C. Arise from C5-T1, D. All
D: All
Answer: D: All 
Explanation: A i.e. Branch of posterior cord; B i.e. Nerve of extensor compament of forearm; C i.e. Arise from C5-T1