This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.V.S, Subject name: Pharmacology
Which of the following is a renin inhibitor? 
Select and explain. 
A. Candesartan, B. Aliskiren, C. Quinopril, D. benzapril
B: Aliskiren
Answer: B: Aliskiren 
Explanation: Ans. is 'b' i.e., Aliskiren Drugs acting on RASACE inhibitors: Captopril, enalapril, lisinopril, ramipril, perindopril, imidapril, trandopril, benazepril, fosinopril.Renin inhibitors: Aliskiren, remikiren, enakiren.ATj blockers : Losartan, candesartan, irbesartan, valsartan, telmisartan.