<prompt> All of the following statements about ticlodipine are true, EXCEPT:It has delayed onset of actionIt has long duration of actionIt directly interacts with platelet membrane, Gpllb llla receptorsIt is used as an alternative to aspirin in patients with cerebrovascular disease  <response>: Ticlopidine is not a Gpllbbllla receptor blocker, it acts by altering the cell surface receptors on the platelets and inhibits ADP as well as fibrinogen induced platelet aggregation. It prevents fibrinogen binding to platelets without modifying GPllbllla receptor. Ref: Essentials of Medical Pharmacology, 5th Eedition, Pages 572-3; Current Cardiovascular Drugs By William H. Frishman, Page 128. 