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
[{'content': 'The skin overlying the region where a venous "cut-down" is made to access the Great saphenous vein is supplied by: \nSelect and explain. \nA. Femoral nerve, B. Sural nerve, C. Tibial nerve, D. Superficial peroneal nerve', 'role': 'user'}, {'content': 'Answer: A \nExplanation: The skin overlying the region where a cut down is made to grant access to the great saphenous vein is supplied by the saphenous nerve. The saphenous nerve is a branch of the femoral nerve. Ref: Textbook of Pediatric Emergency Procedures By Christopher King, Page 273; Clinical Anatomy By Regions By Richard S. Snell, Page 571', 'role': 'assistant'}]