Exam 29: Kidneys and Excretion With Notes on Nitrogen Excretion

Refer to the figure shown. Where would amino acids be found in the tubular fluid?

Explain how the micropuncture technique is used to study the physiology of the kidney.

Injection of an ADH inhibitor into a frog causes _______ at the distal convoluted tubule than would occur without such an injection.

Describe how urine formation differs between freshwater teleosts and marine teleosts.

If an ADH blocker is administered to an amphibian, the volume of the urine will _______ and the volume of the blood will _______.

A direct effect of the active transport of NaCl in the ascending limb of the loop of Henle is that the fluid in the _______ becomes _______.

In amphibians, the first part of the nephron is

The filtered fluid that forms in the nephrons will first empty into the

How can the same nephron in an amphibian produce dilute urine or urine as concentrated as blood plasma?

Explain, in detail, the functions of ADH in amphibians.

The wall of the ascending limb of the loop of Henle is impermeable to

In the proximal convoluted tubules of the nephrons of amphibians, sodium is reabsorbed via

Where does the KCl secreted into the Malpighian tubules end up?

What are the differences between the countercurrent multiplier and countercurrent exchanger systems?

Which animal would die first if it were to stop voiding urine?

Refer to the figure shown. Where would sodium be moving across the apical membranes of the cells lining the tubules?

Do ATP blockers directly affect urea reabsorption in the collecting duct?

Which statement about urea processing in the nephron is true?

Why are hairpin-shaped blood vessels an advantage in the interior of a mammalian kidney?

Coelomosacs are found in