This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: CHF, Angina Pectoris and Myocardial Infarction, Subject name: Pharmacology
Which of the following drug can increase the calcium sensitivity of myocytes ? 
Select and explain. 
A. Omapatrilat, B. Levosimendan, C. Milrinone, D. Sacubitril
B: Levosimendan
Answer: B: Levosimendan 
Explanation: Levosimendan Calcium sensitizer which increases the sensitivity of the hea to calcium Positive ionotropic effect on hea without rise in intracellular calcium. Also act as PDE 3 inhibitor. Note : Other drugs in the options are not related to calcium sensitivity of the hea.