The First Part of the Renal Tubule Is Called the _____

The first part of the renal tubule is called the _____ and is specialized for _____.

A) proximal convoluted tubule; reabsorption of electrolytes and other nutrients
B) loop of Henle; creation of a concentration gradient in the interstitial fluid
C) distal convoluted tubule; secretion of additional wastes into the urine
D) distal convoluted tubule; reabsorption of water
E) collecting duct; reabsorption of water