This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Kidney, Subject name: Pharmacology
Renin antagonist is 
Select and explain. 
A. Losaan, B. Benazepril, C. Remikiren, D. Imidapril
C: Remikiren
Answer: C: Remikiren 
Explanation: Direct renin antagonists are aliskiren, remikiren - could be used for HTN in the future- new drugs aliskiren- oral, remikiren- IV side effects- hypotension, hyperkalemia REF KD Tripathi 8th ed