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': 'Resting membrane potential in nerve fibre \nSelect and explain. \nA. Is equal to the potential of ventricular muscle fibre, B. Can be measured by surface electrodes, C. Increases as extra cellular K+ increases, D. Depends upon K+ equilibrium', 'role': 'user'}, {'content': 'Answer: D \nExplanation: D i.e. Depends on potassium ion equilibrium', 'role': 'assistant'}]