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
A intravenous anesthetic agent that is associated with hemodynamic stability, maintenence of CPP with post operative nausea, vomiting and myoclonus 
Select and explain. 
A. Ketamine, B. Etomidate, C. Propofol, D. Opioids.
B: Etomidate
Answer: B: Etomidate 
Explanation: B i.e. Etomidate