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': 'All except one are true regarding thiopentone \nSelect and explain. \nA. Thiopentone has high lipid solubility, B. Has rapid onset of action due to rapid redistribution of drug, C. It can’t be used as analgesic agent, D. It is contraindicated in asthma patients.', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Thiopentone is rapidly redistributed because of which it is ultra short acting .rapid onset of action is due to high lipid solubility.', 'role': 'assistant'}]