Gastrointestinal system -- Gastrointestinal/nutritional assessments -- Nutritional problems for nursing care plan inclusion -- Essential nutrients and functions -- Diets and menus -- General food exchange lists -- Diet therapy/exchange lists for common disorders -- Procedures to provide nutrition -- Drugs related to the gastrointestinal system and nutrition/diet therapy -- Diagnostic procedures and laboratory tests related to the gastrointestinal system and nutritional/diet therapy