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Which of the following about sodium reabsorption is INCOORRECT: Group of answer choices99% of sodium in the filtrate is reabsorbedMost of sodium reabsorption happens at the proximal tubulesSodium reabsorption increases when aldosterone levels elevatedMost of the sodium reabsorption occurs in the distal convoluted tubule

Question

Which of the following about sodium reabsorption is INCOORRECT: Group of answer choices99% of sodium in the filtrate is reabsorbedMost of sodium reabsorption happens at the proximal tubulesSodium reabsorption increases when aldosterone levels elevatedMost of the sodium reabsorption occurs in the distal convoluted tubule

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Solution

The incorrect statement about sodium reabsorption is: "Most of the sodium reabsorption occurs in the distal convoluted tubule."

Here's why:

  1. "99% of sodium in the filtrate is reabsorbed" - This is correct. The kidneys filter out a large amount of sodium, but they also reabsorb most of it back into the bloodstream.

  2. "Most of sodium reabsorption happens at the proximal tubules" - This is also correct. About 65% of sodium reabsorption occurs in the proximal tubules.

  3. "Sodium reabsorption increases when aldosterone levels elevated" - This is correct. Aldosterone is a hormone that promotes sodium reabsorption in the kidneys.

  4. "Most of the sodium reabsorption occurs in the distal convoluted tubule" - This is incorrect. While some sodium reabsorption does occur in the distal convoluted tubule, it's not where most of it happens. As mentioned earlier, the majority of sodium reabsorption occurs in the proximal tubules

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Similar Questions

Choose the hormone that increases sodium (Na) reabsorption in kidney:Select one:AldosteroneAdrenalineInsulinGlucagonAntidiuretic hormone

Regarding sodium reabsorption, which one of the following statements in INCORRECT?Group of answer choicesAlways occurs in the descending limb of the loop of Henle.It plays a role in the reabsorption of glucose and amino acids in the proximal tubule.It is under hormonal control in the distal tubule and collecting duct.In the loop of Henle sodium reabsorption contributes to the formation of a concentrated urine.

Aldosterone:Group of answer choicesincreases sodium reabsorption by the kidney.increases water reabsorption.increases the water volume in extracellular fluid.increases sodium reabsorption by the kidney, water reabsorption, and water volume in extracellular fluid.

Which of the following answers is CORRECT?The larger representation of urea receptors in the kidney is placed in the proximal convoluted tubuleCollecting Tubule cells are less metabolically active than Distal Tubule cellsChloride is highly responsible for the function of the sodium potassium ATPase pumpThe percentage of reabsorption of chloride in the proximal convoluted tubule is the same as the bicarbonate reabsorptionThe sodium chloride cotransporter is placed in the thick segment of the ascending limb of Loop of Henle

True or false: Aldosterone increases the number of Na+ pumps and channels and thus decreases both Na+ and water reabsorption.True false question.TrueFalse

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