A patient is scheduled to have a central venous access device placed for administration of chemotherapy. When preparing the patient for the catheter insertion, the nurse explains that this method of administration is preferred for which reason?

it decreases the risk for extravasation at the infusion site

it reduces the incidence of systemic side effects of the medication

It allows continuous infusion of the medication directly to the tumor

It does not become occluded as peripherally inserted catheters can