Pharmacology Low doses of aspirin prolong bleeding time by selec tively inhibiting synthesis of the following mediator in the platelets A Thromboxane A2 B 5-Hydroxytryptamine C Platelet activating factor D Prostacyclin 💡 Explanation Low doses of aspirin prolong bleeding time by selec tively inhibiting synthesis of the following mediator in the platelets ✓ Correct Answer: A. Thromboxane A2