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': 'Thickest nerve in the body is - \nSelect and explain. \nA. Trigeminal nerve, B. Radial nerve, C. Femoral nerve, D. Sciatic nerve', 'role': 'user'}, {'content': 'Answer: D \nExplanation: The sciatic nerve is the thickest and largest nerve in the body.\nThe sciatic nerve is the largest branch of sacral plexus and is the largest nerve in the body. It is formed at the lower margin of piriformis by union of its tibial and common peroneal parts.\nThe main trunk has following branches :\n\n\nFrom tibial componentSemitendinosus, semimembranosus, long head of biceps femoris, and ischeal part of adductor magnus.\nCommon peroneal componentShort head of biceps femoris.\n\n\nThus main trunk of Sciatic nerve supplies hamstrings (semitendinosus, semimembranosus, biceps femoris) and ischeal part of adductor magnus.\nIn the upper angle of popliteal fossa, sciatic nerve divides into tibial nerve and common peroneal nerve.', 'role': 'assistant'}]