<prompt> Increased PT and Normal aPTT are found in which of the following?Von Willibrands diseaseFactor 7 deficiencyFactor 8 deficiencyThrombin deficiency  <response>: The prothrombin time PT is prolonged in factor VII FVII deficiency and the international normalized ratio INR is elevated. The activated paial thromboplastin time aPTT is within the reference range in isolated factor VII deficiency. Prothrombin time PT is within reference range in von Willebrand disease. The aPTT will be outside of the reference range. A prolonged aPTT and a normal PT can be seen in factor 8 deficiency. Prothrombin Factor II is the precursor form of thrombin. PT and aPTT are prolonged in patients with factor II deficiency. 