What information should a nurse include when teaching about total parenteral nutrition (TPN) through a central line?

When teaching about total parenteral nutrition (TPN) through a central line, it is essential to emphasize the need for daily blood glucose monitoring. TPN solutions are highly concentrated and contain a significant amount of glucose, which can lead to hyperglycemia if not monitored effectively. Regular monitoring allows healthcare providers to adjust insulin dosages if necessary and ensure the patient's carbohydrate metabolism is being managed appropriately. This practice is critical in preventing complications associated with high blood sugar levels, especially in patients who may have underlying issues such as diabetes.

In contrast to the correct choice, administering TPN through peripheral IVs is not appropriate due to the potential for vein irritation and inadequate nutrient delivery. TPN is typically used for longer durations than just two days, as it often serves patients who cannot obtain adequate nutrition through oral or enteral means for extended periods. Lastly, TPN is generally stored and infused at a controlled temperature, rather than room temperature, to maintain the stability of the nutrients and prevent potential microbial growth. Thus, blood glucose monitoring is a vital aspect of managing patients on TPN therapy, ensuring their metabolic balance and overall safety.