What is used as indicator to kidney disease and why? (5)

Blood cells, glucose, proteins and drugs detected in urinary tests bec kidneys normally prevent excretion of blood and protein and glucose during ultrafiltration and reabsorption Glucose: diabetes (incomplete reabsorption) Proteins: disease (PKU ) or hormonal conditions (pregnancy) blood cells: diseases like cancer Drugs: can be detected in urine like performance enhancing drugs