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
Clopidogrel mechanism of action - 
Select and explain. 
A. Thromboxane A2 inhibition, B. Inhibit ADP mediated cAMP activation, C. GP IIb/Ina inhibitors, D. None
B: Inhibit ADP mediated cAMP activation
Answer: B: Inhibit ADP mediated cAMP activation 
Explanation: Ans. is 'b' i.e., Inhibit ADP mediated cAMP activation