Which statement concerning the kidneys' response to increased [H⁺] in the body fluids is INCORRECT? A) When [H⁺] increases, the kidneys conserve HCO₃^- by reabsorbing more HCO_₃^- and reducing its excretion in the urine. B) When [H⁺] increases, the kidneys secrete more H⁺ to be eliminated in the urine. C) When [H⁺] increases, the kidneys secrete more basic phosphate to buffer the H⁺ in the tubular filtrate. D) When [H⁺] decreases, the kidneys excrete more HCO₃^- into the urine.

Question

Quizplus · Accepted Answer

The kidneys do not secrete basic phosphate; instead, they use phosphate as a buffer to bind H⁺ in the tubular fluid, facilitating its excretion.

Which Statement Concerning the Kidneys' Response to Increased [H⁺] in the Body