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
Which one of the following agents / drugs is of no value in the post operative care of the hemophilic patient? 
Select and explain. 
A. Tranexamic acid, B. Clopidogrel, C. Aminocaproic Acid, D. Factor VIII Cryoprecipitate
B: Clopidogrel
Answer: B: Clopidogrel 
Explanation: None