The high dextrose and fat content of parenteral nutrition solutions makes them an ideal culture medium for bacterial and fungal growth, and central lines provide a port of entry. Which intervention is crucial in preventing sepsis?

Maintain sterile technique when changing tubing, dressing, or parenteral nutrition bag.

Monitor glucose levels (blood and urine).

Examine all tubing connection sites for their security.

Assist patient to remain still in Trendelenburg position during catheter insertion.