A nurse has the following situations going on with her clien…

A nurse has the following situations going on with her clients.  Which intervention should the nurse implement first?  A.  Client with a blood glucose of 150 and with a  sliding scale insulin ordered for 4 units RegularB.  Client with potassium of 2.3 with a protocol for IV potassium replacementC.  Client with a sodium of 132 and an IV bag of 0.9% NS running at 100 mL/hour with 150 mL left in bagD.   Client with a B/P of 164/80 who just received their AM lisinopril, diltiazem and HCTZ