This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General, Subject name: Physiology
[{'content': 'Resting membrane potential in nerve is- \nSelect and explain. \nA. + 70 mv, B. - 70 mv, C. + 90 mv, D. - 90 mv', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. is \'b\' i.e., - 70 mv "In neurons, the resting membrane potential is usually about - 70 mV, which is close to the equilibrium potential for K+". ____ Ganong 23rd/e 84', 'role': 'assistant'}]