The word "countercurrent" within "countercurrent multiplier" refers to the opposite direction of flow of

A. tubular fluid in the proximal convoluted tubule and collecting tubule.
B. salts and water across the wall of the renal tubule.
C. tubular fluid within the ascending and descending limb of the nephron loop.
D. sodium and potassium across the wall of the nephron.


Answer: C

Anatomy & Physiology

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Answer the following statement true (T) or false (F)

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