The Cells Lining the Proximal Convoluted Tubule

Multiple Choice

The cells lining the proximal convoluted tubule

A) are closely associated with unusual smooth muscle fibers.
B) reabsorb water and reabsorb or secrete sodium, potassium, hydrogen, and bicarbonate ions.
C) are not permeable to water and solutes.
D) are unusually tall, and their nuclei are clustered together.
E) reabsorb organic nutrients, plasma proteins, and ions from the tubular fluid.