Find the incorrect statement regarding mechanism of urine formation.

Options

A. The glomerular filtration rate is about 125 ml per minute
B. The ultrafiltration is opposed by the colloidal osmotic pressure of plasma
C. Tubular secretion takes place in the PCT
D. The counter current systems contribute in diluting the urine

Answer

D

Explanation

Counter current mechanism system is a mechanism that expends energy to create a concentration gradient. For example the process of urine concentration (hypertonic urine) production by the mammalian kidney