This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nervous System, Subject name: Physiology
[{'content': 'Fine touch and position sense is carried by \nSelect and explain. \nA. Lateral spinothalamic tract, B. Anterior spinothalamic tract, C. Spinocerebellar tract, D. Dorsal column', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. (d) Dorsal column(Ref: Ganong, 25th ed/p.168)Dorsal column pathway is the principal pathways for touch, vibration and proprioception. They primarily contain Aa and Ab afferentsThey ascend ipsilaterally (same side) in dorsal column of spinal cord to medullaIn medulla, they synapses with two important nuclei namely gracilis and cuneate nuclei. They cross the midline and ascend in the medial lemniscus to end in the contralateral ventral posterior lateral (VPL) nucleus', 'role': 'assistant'}]