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
Thromboxane A2 synthetase inhibition is by - 
Select and explain. 
A. Aspirin, B. Prednisolone, C. Dazoxiben, D. Naproxen
C: Dazoxiben
Answer: C: Dazoxiben 
Explanation: Ans. is 'c' i.e., Dazoxiben o All the given drugs can inhibit Thromboxane A synthesis but only Dazoxiben can inhibit Thromboxane A 2synthetase. Note : According to KDT, aspirin also inhibits TX-synthatase also, but no other book (Goodman & Gilman, Katzung, Laurence, Satoskar) has mentioned this. Also know : Daltroban and sultroban are TXA2 receptor antagonists.