This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Intravenous Anesthetic Agents, Subject name: Anaesthesia
Which intravenous anaesthetic agent has high incidence of pychomimetic reactions during early recovery period- 
Select and explain. 
A. Ketamine, B. Thiopentone, C. Propofol, D. Etomidate
A: Ketamine
Answer: A: Ketamine 
Explanation: Ketamine has been associated with emergence reaction/delirium incidence of which ranges from 3% to 100%. Emergence reactions seen with ketamine include vivid dreaming, extracorporeal experiences (sense of floating out of the body), and illusions (misinterpretation of a real, external sensory experience) during emergence from anesthesia. These are usually associated with excitement, confusion, euphoria, and fear. Emergence reaction can be reduced by the use of benzodiazepines.