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 one of the following drugs are not used in hea failure? 
Select and explain. 
A. Metoprolol, B. Nesiritide, C. Trimetazidine, D. Sacubitril
C: Trimetazidine
Answer: C: Trimetazidine 
Explanation: Ans. C.Trimetazidine* Trimetazidine is not used in hea failure.* Trimetazidine is a newer antianginal drug that is a pFOX inhibitor which paially inhibits the fatty acid oxidation pathway in the myocardium. This decreases the oxygen requirement of the hea.