This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
[{'content': 'The following is used to measure resting membrane potential in case of multiple ions \nSelect and explain. \nA. Goldman, B. Nernst, C. Both, D. None', 'role': 'user'}, {'content': 'Answer: A \nExplanation: At equilibrium potential there is no movement of ions Nernst equation is used to measure equilibrium potential for single ion Goldman is used in case of multiple ions Ref:Guyton and Hall textbook of medical physiology 12th edition,page number:35,36,39', 'role': 'assistant'}]