Violation

A patient who has been taking large quantities of aspirin might show increased postoperative bleeding because aspirin inhibits

Synthesis of thromboxane A2 and prevents platelet aggregation

Synthesis of prostacyclin and prevents platelet aggregation

Synthesis of prostaglandin and prevents production of blood platelets

Thrombin and prevents formation of the fibrin network

G.I. absorption of vitamin K and prevents synthesis of blood clotting factors

Please describe the matter of abuse