This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anesthesia, Subject name: Pharmacology
[{'content': 'Profound analgesia is produced by which parentaral anaethetic? \nSelect and explain. \nA. Thiopental, B. Propofol, C. Ketamine, D. Etomidate', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ketamine produces intense analgesia and anaesthesia. Thiopentone , Etomidate and Propofol produces anesthesia without analgesia. From padmaja 4th edition Page no 194,195', 'role': 'assistant'}]