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': 'An intravenous anaesthetic agent that is associated with hemodynamic stability, maintenance of CVP with post operative nausea, vomiting and myoclonus – \nSelect and explain. \nA. Ketamine, B. Etomidate, C. Propofol, D. Opioids', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Etomidate has minimal effect on cardiovascular system (most cardiostable / hemodynamically stable) and has highest incidence of nausea & vomiting amongst the inducing agents.', 'role': 'assistant'}]