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': 'Membrane potential of hair cell is \nSelect and explain. \nA. -20mV, B. -40mV, C. -60mV, D. -80mV', 'role': 'user'}, {'content': 'Answer: C \nExplanation: The resting membrane potential of the hair cell is about -60mV. When the stereocilia are pushed toward the kinocilium, the membrane potential is decreased to about -50mV.Ref: Ganong&;s Review of medical physiology;25th edition; pg: 204', 'role': 'assistant'}]