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
[{'content': 'LEVOSIMENDAN acts on the all the following mechanism except ? \nSelect and explain. \nA. phosphodiesterase inhibitor 3, B. neprilysin inhibitor, C. potassium channel opener, D. sensitizes myocardium to calcium channels', 'role': 'user'}, {'content': 'Answer: B \nExplanation: 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', 'role': 'assistant'}]