A patient complains about the placement of the total parenteral nutrition (TPN)line and asks why it cannot be inserted in the arm.What fact regarding the placement of this line should the nurse base a response on?

Question

Quizplus · Accepted Answer

The subclavian artery allows for rapid dilution of TPN, which is necessary due to its high osmolarity. This helps prevent irritation and damage to the vessel lining, which could occur if TPN were infused through smaller vessels with slower blood flow, such as those in the arm.

A Patient Complains About the Placement of the Total Parenteral