When a proximal tubular cell is transporting across its membrane the greatest possible amount of a substance,the cell has reached its

Question

Quizplus · Accepted Answer

The maximum amount of a substance that can be transported across the membrane of a proximal tubular cell is known as the tubular transport maximum (Tm). Once the Tm is reached, any additional substance that needs to be excreted will simply be eliminated in the urine. Therefore, the correct answer is C.

When a Proximal Tubular Cell Is Transporting Across Its Membrane