This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Sensory System, Subject name: Physiology
[{'content': 'The first-order (primary afferent) cell bodies of the dorsal column-medial lemniscal system are found in which structure? \nSelect and explain. \nA. Spinal cord dorsal horn, B. Spinal cord ventral horn, C. Dorsal root ganglia, D. Nucleus cuneatus', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Primary afferent neuronal cell bodies are found in the dorsal root ganglia.', 'role': 'assistant'}]