This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pharmacology
Daclizumab acts through ? 
Select and explain. 
A. cGMP activation, B. Adenylcyclase inhibition, C. IL 2 receptor blocker, D. IL10 receptor blocker
C: IL 2 receptor blocker
Answer: C: IL 2 receptor blocker 
Explanation: Ans. is 'c' i.e., IL 2 receptor blocker Monoclonal antibodies (daclizumab and basiliximab) that block the interleukin 2 receptor and are used in prevention of graft rejection as immunosuppresant.