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
The skin overlying the region where a venous "cut-down" is made to access the Great saphenous vein is supplied by? 
Select and explain. 
A. Femoral nerve, B. Sural nerve, C. Tibial nerve, D. Superficial peroneal nerve
A: Femoral nerve
Answer: A: Femoral nerve 
Explanation: 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.