What is Happening in the PCT

Question

What is happening in the PCT?
A) Filtration
B) Secretion
C) Reabsorption
D) Filtration and Reabsorption

Accepted Answer

In the proximal convoluted tubule (PCT) of the nephron, reabsorption is the primary process occurring, where essential substances like glucose, amino acids, and ions are reabsorbed back into the bloodstream.