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
All are true about rapid sequence induction done in a cardiac patient in emergency except: 
Select and explain. 
A. Inducing agent and neuromuscular relaxant are administered together, B. The patient is pre-oxygenated for 3 minutes before the procedure, C. Cricoid pressure has to be applied till the endotracheal tube has been secured with a cuff, D. Induction should be done with thiopentone sodium and succinylcholine for muscle relaxation
D: Induction should be done with thiopentone sodium and succinylcholine for muscle relaxation
Answer: D: Induction should be done with thiopentone sodium and succinylcholine for muscle relaxation 
Explanation: Ans: D. Induction should be done with thiopentone sodium and succinylcholine for muscle relaxation(Ref Miller 7/e p34, 887)Thiopentone induction is contraindicated in cardiac patients because of direct negative inotropic effects on the hea and depressant effects on systemic BR.Etomidate is the preferred induction agent in such a patient.