Platelet aggregation is caused by -: (A) Nitrous oxide, (B) Thromboxone A2, (C) Aspirin, (D) PGI2
Answer is B. Robbins basic pathology 9th edition page no 46, Answer is option 2, thromboxaneA2 Thromboxane A2 is a potent platelet aggregating agent and a vasoconstrictor, is the major prostaglandin produced in these cells. Itvis an intrmediate produced in the cyclooxygenase pathway by the enzyme thromboxane synthase.