This document provides information about chronic kidney disease stage 5. It discusses concepts in nutrition, diet therapy, and the kidneys as an organ system. Chronic kidney disease results from damage to the nephrons in the kidneys, reducing their ability to filter waste from the blood. This patient has chronic kidney disease stage 5 caused by hypertension, resulting in several complications including anemia, gastrointestinal issues, metabolic acidosis, and hyperkalemia. The document outlines the pathology and progression of chronic kidney disease.