The Nurse Is Caring for a Patient with a Peripheral

The nurse is caring for a patient with a peripheral IV access that is used intermittently for medications but is not a continuous infusion.Which technique does the nurse use for routine care of this peripheral line?

A) Flush with a low concentration of heparin.
B) Always change the end cap with each medication dose.
C) Change the IV insertion site every day.
D) Flush with 0.9% saline solution.