This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Intravenous Anesthetic Agents, Subject name: Anaesthesia
[{'content': 'Chest wall rigidity can be caused by rapid infusion of which of the following opioid- \nSelect and explain. \nA. Fentanyl, B. Sufentanyl, C. Remifentanil, D. All of the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Rapid administration of larger doses of opioids (paicularly fentanyl, sufantanyl, Remifentanil and alfentanyl) can induce chest wall rigidity severe enough to prevent adequate bag and mask ventilation. This is centrally mediated muscle contention is effectively treated with neuromuscular blockers.', 'role': 'assistant'}]