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': 'If intracellular  is 15 mM and the extracellular  is 150mM, what is the equilibrium potential for \nSelect and explain. \nA. –69mV, B. +90mV, C. +60mV, D. –90mV', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]