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: Physiology
[{'content': 'In a neuron, graded electrogenesis occurs at: \nSelect and explain. \nA. Soma-dendritic zone, B. Initial segment, C. Axon, D. Nerve ending', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Graded electrogenesis is local potential generation of which occurs in dendrite or, soma.\nNeurons generally have some important zones: \n\nA receptor, or dendritic zone, where multiple local potential generated by synaptic connections are integrated;\nA site where propagated action potentials are generated (the initial segment in spinal motor neurons, the initial node of Ranvier in cutaneous sensory neurons).', 'role': 'assistant'}]