This case study explains the causes, symptoms, and treatment of chronic renal failure. It discusses the primary units of the kidney, GFR, risk factors, and possible complications. It also covers the medications used for the treatment of the disease and their side effects. The teach-back method is also explained in the study. The document type is a case study, and the type of assignment is not mentioned. The subject is not mentioned, and the course code and college/university are not provided.