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 is/ are wrong regarding an intravenous anesthetic agent 
Select and explain. 
A. Is used for induction of anesthesia, B. Can be used as the sole agent for anesthesia, C. Can be used to supplement regional anesthesia, D. Is not used for sedation
D: Is not used for sedation
Answer: D: Is not used for sedation 
Explanation: All intravenous anesthetic agent can be used for sedation in less concentration. ketamine , propofol very commonly in lesser dose used for sedation.