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
Losartan is:(2001) 
Select and explain. 
A. ACE inhibitor, B. Angiotensin receptor blocker, C. Ca++ channel blocker, D. Ganglion blocker
B: Angiotensin receptor blocker
Answer: B: Angiotensin receptor blocker 
Explanation: b