<prompt> Which of the following statement is not true about Von willebrand disease?VWF is synthesized by endothelial cells and megakonjocytesVWF maybe located in the plasma and subendothelial tissueVWF causes platelet adhesion and prevents degradation of factor VIII in plasmaDeficiency of VWF causes prolonged prothrombin time  <response>: Laboratory findings of Von willebrand diseasePlatelet count : Normal Bleeding time : ProlongedClotting time : ProlongedProthrombin time : Normal 