The Juxtamedullary Nephrons _

Multiple Choice

The juxtamedullary nephrons _ .

A) have a nephron loop that penetrates deep into the renal medulla, and play an important role in concentrating urine
B) have a nephron loop that penetrates deep into the renal medulla
C) are located almost entirely within the renal cortex
D) are most numerous
E) play an important role in concentrating urine