17. Which of the following statements regarding thienopyridines is TRUE?

A. Clopidogrel is contraindicated in patients with prior TIA or stroke

B. Ticagrelor is no longer used due to problems with thrombocytopenia and thrombotic thrombocytopenic purpura (TTP)

C. Thienopyridines need to be stopped 5-7 days prior to coronary artery bypass grafting

D. An insignificant portion of the population is resistant to the effects of clopidogrel, but not prasugrel

E. Prasugrel has a lower risk of bleeding than clopidogrel

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