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 of muscle fibre is \nSelect and explain. \nA. -60mv, B. -70mv, C. -80mv, D. -90mv', 'role': 'user'}, {'content': 'Answer: D \nExplanation: The resting membrane potential of skeletal muscle is about –90 mV. The action potential lasts 2 to 4 ms and is conducted along the muscle fiber at about 5 m/s.\nGanong 23 rd ed, pg 96', 'role': 'assistant'}]