This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Autacoids, Subject name: Pharmacology
False statement about TX A2 is 
Select and explain. 
A. It is formed in platelets, B. It is formed from PGG2/h2, C. It is having platelet anti aggregatory reactivity, D. Asprin can inhibit its production
C: It is having platelet anti aggregatory reactivity
Answer: C: It is having platelet anti aggregatory reactivity 
Explanation: TX A2 is produced inside the platelets with the help of TX A2 synthetase It is formed from cyclic Endo peroxidase(PGG2/H2) with the help of an enzyme, cyclooxygenase Aspirin inhibit its production by reversible inhibition of cyclooxygenase enzyme TX A2 causes aggregation of platelets, therefore is prothrombotic Refer kDT 6/e p174