For any solute, the rate of its excretion in urine would be equal to
A) its rate of glomerular filtration - its rate of tubular reabsorption - its rate of tubular secretion.
B) its rate of glomerular filtration - its rate of tubular reabsorption + its rate of tubular secretion.
C) its rate of glomerular filtration + its rate of tubular reabsorption + its rate of tubular secretion.
D) its rate of glomerular filtration + its rate of tubular reabsorption - its rate of tubular secretion.
E) none of these answers.

Question

Quizplus · Accepted Answer

The rate of excretion of a solute in urine is calculated by taking the rate at which it is filtered at the glomerulus, subtracting the rate at which it is reabsorbed back into the blood, and adding the rate at which it is secreted into the tubular fluid.

For Any Solute, the Rate of Its Excretion in Urine