<prompt> Which of the foliowingmay present with isolated prolongation of prothrombin time PIFactor VIiI deficiencyFActor VII deficiencyFactor XII deficiencyFactor IX deficiency  <response>: Ans. is b i.e., Factor VII deficiency o Factor VII deficiency may present with isolated prolongation of prothrombin time.Cause of Isolated prolongation of PT CMDT Vitamin K deficiency Warfarin therapy Liver disease Factor VII deficiency 