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 are true about propofol except \nSelect and explain. \nA. Plesant sedation & recovery, B. Safe in porphyria, C. Antiemetic effect, D. Cardiac stimulant', 'role': 'user'}, {'content': 'Answer: D \nExplanation: D i.e. Cardiac stimulant', 'role': 'assistant'}]