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 structure which passes superficial to the flexor retinaculum \nSelect and explain. \nA. Median nerve, B. Flexor digitorum superficialis, C. Ulnar nerve, D. Flexor digitorum profundus', 'role': 'user'}, {'content': "Answer: C \nExplanation: Structures passing over the flexor retinaculum: \n\nUlnar nerve and vessels through the Guyon's canal (volar carpal ligament).\nPalmar cutaneous branch of ulnar nerve (supply skin over hypothenar muscles).\nPalmaris Longus.\nPalmar cutaneous branch of median nerve (supply skin over the thenar muscles).\nSuperficial palmar branch of the radial artery.", 'role': 'assistant'}]