This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Excitation and Action Potiential, Subject name: Physiology
[{'content': 'Arrange the following sequentially in the ascending order of occurrence with regard to signal transmission at neuromuscular junction: A. Neurotransmitter degradation B. Exocytosis C. Calcium influx D. End Plate potential \nSelect and explain. \nA. A-C-B-D, B. C-B-D-A, C. C-A-B-D, D. B-D-A-C', 'role': 'user'}, {'content': 'Answer: B \nExplanation: In order of signal transmission at neuromuscular junction: C. Calcium influx - B. Exocytosis - D. End Plate potential - A. Neurotransmitter degradation', 'role': 'assistant'}]