Which of the following comes from the fact that the descending and ascending loo
ID: 100797 • Letter: W
Question
Which of the following comes from the fact that the descending and ascending loops are next to each other and their fluid flows in opposite directions and results from solute pumps that increase the concentrations of urea and Na+ deep in the medulla? filtration, micturition, countercurrent multiplier, urination
Which of the following describes how caffeine functions as a diuretic? increases glomerular filtraton rate, increases glomerular capsule pressure, constricts afferent arterioles, promotes vasodilation in the nephron
Explanation / Answer
Countercurrent multiplier explains that the descending and ascending loops are next to each other and their fluid flows in opposite directions and results from solute pumps that increase the concenterations of urea and Na+ deep in the medulla.
Caffeine is considered as an diuretic because it promotes the vasodilation in the nephron.
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