If the Level of ADH Is Very Low,in Which of the Following

Multiple Choice

If the level of ADH is very low,in which of the following areas of the nephron is the filtrate the LEAST concentrated?

A) distal convoluted tubule
B) at the end of the descending limb of the loop of Henle
C) at the beginning of the ascending limb of the loop of Henle
D) at the end of the proximal convoluted tubule
E) collecting duct