This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Muscle relaxants, Subject name: Anaesthesia
[{'content': 'Train of four is characteristically used in concern with- \nSelect and explain. \nA. Malignant hypehermia, B. Non -depolarizing neuromuscular blockers, C. Mechanical ventilation, D. To check hemodynamic parameters', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Train of four is used for monitoring neuromuscular block during anaesthesia. Fade on TO4 is the characteristic feature of non-depolarising neuromuscular blockage.', 'role': 'assistant'}]