Which Physician Order Would the Nurse Question When Administering IV

Which physician order would the nurse question when administering IV fluids with potassium chloride (KCl) ?

A) Inject IV KCl directly into the IV tubing.
B) Check for infiltration because potassium is irritating to subcutaneous tissues.
C) Check for phlebitis because potassium is irritating to the veins.
D) Check for adequate urinary output (kidney dysfunction can cause potassium retention that may lead to hyperkalemia) .