Countercurrent mechanism to maintain the concentration gradient in the medullary interstitium. This special arrangement occurs in:-
A. PCT and capillary net
B. DCT and PCT
C. Henle’s loop and vasa recta
D. PCT and collecting duct
Select your answer:
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Circulatory and Respiratory System › ViewWhat do your arteries do?
A. carry blood to your heart from your lungs
B. carry blood away from your heart to the rest of your body
C. are thick, which allows transport through them
Disorders of The Joints › View
All of the following statements are true about the pathogenesis of osteoarthritis (OA) EXCEPT:
A. It is simply a “wear and tear” process.
B. Risk factors include aging, joint injury, obesity, and genetics.
C. X-rays may be normal despite significant pain from OA early in the process.
D. Current treatments for OA are directed to controlling pain, and none have been proven to alter the progression of the disease.