What is the purpose of giving this drug to a client with chronic renal failure?

To bind phosphorus in the intestine

A client in renal failure develops hyperphosphatemia that causes a corresponding excretion of the bodys calcium stores. leading to renal osteodystrophy. To decrease this loss. aluminum hydroxide gel is prescribed to bind phosphates in the intestine and facilitate their excretion.Option A: Gastric hyperacidity is not necessarily a problem associated with chronic renal failure.Options B and D: Antacids will not prevent Curlings stress ulcers and do not affect metabolic acidosis.