A nurse flushes an IV Saline Lock before and after administering medication. What is the purpose of flushing an IV lock before and after an infusion? A. To keep the inside of the needle or catheter...

A nurse flushes an IV Saline Lock before and after administering medication. What is the purpose of flushing an IV lock before and after an infusion?


A. To keep the inside of the needle or catheter sterile
B. To clear medication and prevent clot formation
C. To facilitate patient comfort and decrease anxiety
D. To dilute the infusion and maintain homeostasis