Multiple Choice
The overall purpose of the countercurrent exchange system is to __________.
A) supply salt and urea to the renal medulla
B) supply nutrients and oxygen to the renal cortex
C) supply nutrients and oxygen to the renal medulla
D) remove metabolic wastes from the renal cortex
E) remove metabolic wastes from the renal medulla
Correct Answer:

Verified
Correct Answer:
Verified
Q40: Cells in the cleft between the afferent
Q41: Glomerular filtration occurs because glomerular oncotic pressure
Q42: Aldosterone acts on the _.<br>A) proximal convoluted
Q43: Which of the following is not found
Q44: The thick segment of the nephron loop
Q46: Because of the great deal of active
Q47: Which of the following is a direct
Q48: Parathyroid hormone increases phosphate excretion by the
Q49: Which of the following correctly traces blood
Q50: Which organ system does not excrete waste?<br>A)