Question

Desert animals need to concentrate urine. What structural changes in the kidney would be associated with a kidney that is exceptionally good at concentrating urine? Check all that would apply.

Answer 1

The correct answer for the question that is being presented above is this one: "C.)More juxtamedullary nephrons." 

Here are the following choices:

A.)Longer loop of Henle 
B.)Longer collecting duct 
C.)More juxtamedullary nephrons 
D.)Longer proximal and dist