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2. WATER Up to 25% reabsorbed from?

  • distale tubule
  • proximal tubule
  • Collecting duct
  • loop of henle

3. WATER. 10% reabsorbed from?

  • thin descending limb of LH
  • thick descending limb of LH
  • thin ascending limb of LH
  • thin descending limb of LH

4. sodium, this is for the most part reabsorbed (65%) from the proximal tubule of the nephron. This is a passive process (that is also coupled with bicarbonate reabsorption) and involves the activity of an enzyme, called? SODIUM

  • potassium carbonic anhydrase
  • carbonic anhydrase
  • sodium anhydrase
  • potassium anhydrase

5. water. absorption regulated by what?

  • sodium via insertion of water channels (aquaporins)
  • sodium via insertion of NAK2CL channels
  • ADH via insertion of water channels (aquaporins)
  • ADH via insertion of NAK2CL channels
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