The patient is receiving Total Parenteral Nutrition (TPN) due to severe malnutrition. It is important to monitor the patient's glucose levels closely since TPN solutions are typically high in carbohydrates.
During your nursing assessment, you note that the patient’s blood glucose level is high. TPN solutions usually contain dextrose concentrations, which can impact the patient's glucose levels significantly. In this case, the concentration of dextrose in the TPN solution is _____ grams per liter.