Final answer:
The dietitian should recommend tube feeding for the hospitalized patient with renal failure who has eaten 0 to 10% of meals for the past 3 days.
Step-by-step explanation:
Based on the information provided, the dietitian should recommend tube feeding for the hospitalized patient with renal failure who has eaten 0 to 10% of meals for the past 3 days. Tube feeding involves providing nutrition through a tube directly into the patient's stomach or small intestine. This method ensures that the patient receives the necessary nutrients despite their inability to eat or consume sufficient amounts of food.