Anatomy & Physiology of Urinary Tract Quiz
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Questions and Answers

Where does the majority of Na+ reabsorption occur in the renal tubule?

  • Distal convoluted tubule
  • Thin descending limb of the loop of Henle
  • Proximal convoluted tubule (correct)
  • Thick ascending limb of loop of Henle

    • How is Na+ reabsorbed in the early proximal convoluted tubule?

  • By countertransport via K+-Na+ exchange
  • By facilitated diffusion with urea
  • By passive diffusion with Cl-
  • By cotransport with glucose, amino acids, phosphate & lactate (correct)

    • Which segment of the renal tubule reabsorbs 25% of filtered Na+?

  • Thin descending limb of the loop of Henle
  • Distal convoluted tubule
  • Thick ascending limb of loop of Henle (correct)
  • Proximal convoluted tubule

    • Where does the least amount of Na+ reabsorption occur in the renal tubule?

    <p>Thin descending limb of the loop of Henle</p> Signup and view all the answers

    Which segment of the renal tubule contributes to the reabsorption of 8% of the filtered Na+?

    <p>Collecting duct</p> Signup and view all the answers

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