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: Pharmacology
[{'content': 'The cell body of all sensory neurons is located within the \nSelect and explain. \nA. Dorsal gray horn, B. Dorsal root ganglion, C. Spinal cord, D. Brain', 'role': 'user'}, {'content': 'Answer: B \nExplanation: B:\xa0The cell bodies of the sensory neurons leading to the spinal cord are located in clusters, the\xa0dorsal root ganglia (DRG),\xa0next to the spinal cord.\nA:\xa0Dorsal gray horn\xa0is a mass of gray matter found in every segment of the spinal cord\xa0and is responsible for the processing system of sensory signals that travel within the spinal cord,\nC:\xa0The\xa0spinal cord\xa0is a long, thin, tubular bundle of nervous tissue and support cells that extends from the foramen magnum at the base of the skull to the second lumbar vertebrae.\nD:\xa0Brain\xa0serves as a command center for the human nervous system. It receives input from the sensory organs and sends output to the muscles.', 'role': 'assistant'}]