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
An intravenous anaesthetic agent that is associated with hemodynamic stability, maintenance of CVP with post operative nausea, vomiting and myoclonus – 
Select and explain. 
A. Ketamine, B. Etomidate, C. Propofol, D. Opioids
B: Etomidate
Answer: B: Etomidate 
Explanation: Etomidate has minimal effect on cardiovascular system (most cardiostable / hemodynamically stable) and has highest incidence of nausea & vomiting amongst the inducing agents.