In what concentration range are PN protein solutions typically available?

The concentration range of 3.5% to 15% for parenteral nutrition (PN) protein solutions is considered correct because it aligns with standard clinical practices for providing adequate protein supplementation to patients who cannot receive nutrients through the gastrointestinal tract.

Protein solutions within this range ensure that the body receives enough amino acids for essential physiological functions, including tissue repair, immune response, and overall metabolic activity. Concentrations higher than this might lead to increased risk of complications such as hyperosmolality and may not be tolerated well by all patients. Therefore, the specified range of 3.5% to 15% effectively balances nutritional needs with safety considerations in PN administration.

Understanding this range is crucial for nurses and healthcare providers when preparing parenteral nutrition formulations and ensuring that patients receive appropriate nutrition tailored to their individual needs.