<prompt> Prothrombin activator complex is made ofFactor Xa, Va, VIIIaFactor Va, VIIa, Platelet PhospholipidsFactor Xa, VIIIa, Tissue PhospholipidsFactor Xa, Va, Platelet Phospholipids  <response>: Activated Factor X combines with Factor V and platelet or tissue phospholipids to form the complex called prothrombin activator. Reference: Guyton Physiology; 13th ed; Page: 488 