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: Anaesthesia
[{'content': 'Shoest acting NDMR \nSelect and explain. \nA. Succinyl choline, B. Rapac uroni um, C. Atracurium, D. Pancuronium', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Rapacuronium Among the given options Rapacuronium is the shoest ating drug. Rapacuronium has been withdrawn from the market because it produces intense bronchospasm in a significant number of patients. Alcuronium is a relatively sho acting muscle relaxant. Always remember this', 'role': 'assistant'}]