When the tubular maximum for a substance is exceeded,
A) more of the substance is reabsorbed.
B) more of the substance is actively secreted.
C) less of the substance is filtered in the renal corpuscle.
D) the excess goes into the blood.
E) the excess remains in the urine.

Question

Quizplus · Accepted Answer

When the tubular maximum for a substance is exceeded, the renal tubules cannot reabsorb any more of that substance, leading to the excess being excreted in the urine.

When the Tubular Maximum for a Substance Is Exceeded