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': 'All are true about local potential except \nSelect and explain. \nA. Does not follow all or none low, B. Can be depolarised or hyperpolarised, C. It is proportional to stimulus strength, D. Summation not possible', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Local Potential\xa0\n\nProportional to stimulus strength\nDoes not follow all or none law\nIt is not propagated\nExhibits summation\nCan be depolarising / hyperpolarising', 'role': 'assistant'}]