This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pharmacology
LEVOSIMENDAN acts on the all the following mechanism except ? 
Select and explain. 
A. phosphodiesterase inhibitor 3, B. neprilysin inhibitor, C. potassium channel opener, D. sensitizes myocardium to calcium channels
B: neprilysin inhibitor
Answer: B: neprilysin inhibitor 
Explanation: Molecular Targets Pharmacological Effects * Calcium sensitisation of the contractile * inotropy without increase of calcium transient and oxygen consumption apparatus by selective binding to calcium * Anti-stunning effect saturated cardiac troponin C * Opening of the ATP-sensitive potassium * Vasodilation (including coronary aeries) channels on the smooth muscle of the vasculature * increase of end-organ perfusion * Opening of the mitochondrial ATP- .Cardioprotection and organ protection Anti-ischaemic effect * sensitive potassium channels REF : KD TRIPATHI 8TH ED