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: Ophthalmology
[{'content': 'The location of the cell bodies of the only neurons in the retina whose axons exhibit a self-propagated action potential is in which of the following layer? \nSelect and explain. \nA. Ganglion cell layer, B. Inner plexiform layer, C. Inner nuclear layer, D. Outer plexiform layer', 'role': 'user'}, {'content': 'Answer: A \nExplanation: The only cell type in the retina that has long axons which exhibit a self-propagated action potential is the ganglion cell.', 'role': 'assistant'}]