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: Pharmacology
Which of the following anesthetic agent can cause adrenocortical suppression? 
Select and explain. 
A. Halothane, B. Ketamine, C. Etomidate, D. Propofol
C: Etomidate
Answer: C: Etomidate 
Explanation: Etomidate inhibits 11beta - hydroxylase enzyme  & prevents corticosteroid synthesis.