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Which one of the following statements in regard to the excretion by the human kidneys is correct? 

  • Descending limb of Loop of Henle is impermeable to water

  • Distal convoluted tubule is incapable of reabsorbing HCO3

  • Nearly 99 percent of the glomerular filtrate is reabsorbed by the renal tubules

  • Ascending limb of loop of Henle is impermeable to electrolytes

Answer

C.

Nearly 99 percent of the glomerular filtrate is reabsorbed by the renal tubules

The plasma fluid that filters out from glomerular capillaries into Bowman's capsule of the nephron is called glomerular filtrate. A comparison of the volume of the filtrate formed per day (180 L /day) with that of the urine release (1.5 L), suggested that nearly 99 percent of the filtrate has to be reabsorbed by the renal tubules. This process is called reabsorption

The plasma fluid that filters out from glomerular capillaries into Bowman's capsule of the nephron is called glomerular filtrate. A comparison of the volume of the filtrate formed per day (180 L /day) with that of the urine release (1.5 L), suggested that nearly 99 percent of the filtrate has to be reabsorbed by the renal tubules. This process is called reabsorption