A nurse is teaching a client who has chronic kidney failure about planning a low-protein diet. The client states, "Why do I have to be concerned about protein?" Which of the following responses should the nurse make?

Choice A reason: Edema is primarily related to fluid retention and sodium imbalance, not protein intake. While protein can influence oncotic pressure, reducing protein does not directly prevent edema in chronic kidney disease. Choice B reason: Hyperkalemia is associated with potassium intake and impaired renal excretion, not protein consumption. A low-protein diet does not specifically target potassium levels unless the protein sources are high in potassium. Choice C reason: Uremia results from the accumulation of nitrogenous waste products due to impaired renal function. Protein metabolism produces urea and other nitrogenous compounds. A low-protein diet helps reduce the production of these wastes, thereby lowering the risk of uremia and its associated symptoms such as nausea, confusion, and pruritus. Choice D reason: This statement is incorrect. A low-protein diet decreases the production of nitrogenous wastes, not increases them. High protein intake in renal failure exacerbates uremia due to the kidneys' inability to excrete the byproducts effectively.