In which direction do fluids and solutes move in each of the three kidney processes?
A) During filtration, fluids move from the glomerular capillaries into the capsular space; during reabsorption, fluids move from the tubular fluid into the peritubular fluid; during secretion, fluids move from the peritubular fluid into the tubular fluid.
B) During filtration, fluids move from the peritubular fluid into the tubular fluid; during reabsorption, fluids move from the tubular fluid into the peritubular fluid; during secretion, fluids move from the glomerular capillaries into the capsular space.
C) During filtration, fluids move from the glomerular capillaries into the capsular space; during reabsorption, fluids move from the peritubular fluid into the tubular fluid; during secretion, fluids move from the tubular fluid into the peritubular fluid.
D) During filtration, fluids move from the tubular fluid into the peritubular fluid; during reabsorption, fluids move from the peritubular fluid into the tubular fluid; during secretion, fluids move from the glomerular capillaries into the capsular space.
E) During filtration, fluids move from the peritubular fluid into the tubular fluid; during reabsorption, fluids move from the glomerular capillaries into the capsular space; during secretion, fluids move from the tubular fluid into the peritubular fluid.
Answer: A
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