This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anesthesia, Subject name: Pharmacology
Which of the following induction agent produce cardiac stability 
Select and explain. 
A. Ketamine, B. Etomidate, C. Propofol, D. Midazolam
B: Etomidate
Answer: B: Etomidate 
Explanation: Refer Katzung 11/e p 437 Major advantage of etomidate over other intravenous anesthetic is that it causes minimum cardiovascular and respiratory depression Propofol has greatest negative inotropic action among all intravenous anesthetics Ketamine has cardiostimulatory propeies and hypeension Midazolam is not used as an inducing agent