This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General physiology, Subject name: Physiology
[{'content': 'In action potential of nerve the overshoot is \nSelect and explain. \nA. Above Iso-potential, B. Below Iso-potential, C. Below resting membrane potential, D. Above resting membrane potential', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Over shoot is produced due to opening of sodium channals and depolarization It is about the threshold level Ref:Guyton and Hall textbook of medical physiology 12th edition,page number: 66', 'role': 'assistant'}]