3,The actions of these nephron structures ________ make possible the process of countercurrent multiplication
Multiple Choice
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nephron loop and vasa recta
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peritubular capillaries and collecting duct
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proximal convoluted tubule and peritubular capillaries
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vasa recta and distal convoluted tubule
The process of countercurrent multiplication occurs in the kidney. It is the process of generating an osmotic gradient by using energy. This osmotic gradient enables the body to reabsorb the water from tubular fluid and formation of the concentrated urine.
The structures of the nephron loop (loop of Henle) and associated vasa recta form a countercurrent multiplier system. The actions of the nephron structures nephron loop and vasa recta make possible the process of countercurrent multiplication. So, the correct answer is the first option.
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