The Countercurrent Multiplier Is a System by Which the

question 48

Multiple Choice

The countercurrent multiplier is a system by which the

• A) nephron loop multiplies the concentration of salts in the interstitial fluid of the kidney medulla.
• B) nephron loop dilutes the concentration of solutes in the tubular fluid at its hairpin turn.
• C) vasa recta secretes multiple amounts of metabolic wastes against their concentration gradient.
• D) vasa recta becomes more concentrated with nitrogenous wastes than the urine.