Problem: A postoperative client is admitted to the intensive care unit (ICU) with an inflated pressure infuser containing a solution of heparin 2 units/ml attached to an intra-arterial (IA) cannula. Which finding indicates that the heparin infusion has achieved its therapeutic use? A.Heparin is infused in less than four hours. B.Systolic blood pressure greater than 120 mm Hg. C.No knee pain upon forced dorsiflexion. D.Intra-arterial cannula remains patent. Need Assignment Help?