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 of the following drug inhibits plasminogen activation : March 2009 
Select and explain. 
A. Aspirin, B. Tranexaemic acid, C. Alteplase, D. Streptokinase
B: Tranexaemic acid
Answer: B: Tranexaemic acid 
Explanation: Ans.B: Tranexaemic Acid Tranexaemic acid is an antifibrinolytic that competitively inhibits the activation of plasminogen to plasmin, a molecule responsible for the degradation of fibrin. It has roughly 7 times the antifibrinolytic activity of an older analogue, Epsilon-amino-caproic acid (EACA). Main side-effects are nausea and diarrhea.headache, giddiness and thrombophlebitis of injected vein are other adverse effects.