This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Anaesthesia
[{'content': 'Drugs used for anaesthesia in hypotensive is \nSelect and explain. \nA. Propofol, B. Ketamine, C. Thiopentone, D. None', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ketamine raises the BP, therefore is the induction agent of choice in hypotensive states and shock.(Refer: stoelting's pharmacology and physiology in anaesthetic practice, 5th edition, pg no.294)", 'role': 'assistant'}]