Renal Processes and Functioning Quiz
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Questions and Answers

Which part of the nephron plays a major role in diluting luminal fluid?

  • Distal tubules
  • Proximal tubules
  • Cortical collecting tubule
  • Thick ascending loop of Henle (correct)
  • Where are the cells of the macula densa located?

  • Distal tubules
  • End of the loop of Henle (correct)
  • Thick ascending loop of Henle
  • Proximal tubules
  • Which hormone influences cortical collecting tubule cells for Na reabsorption and K secretion?

  • ADH
  • Aldosterone (correct)
  • Parathyroid hormone
  • Insulin
  • Which substance is not reabsorbed in the proximal tubules?

    <p>Creatinine</p> Signup and view all the answers

    What percentage of filtered water is reabsorbed in the proximal tubules?

    <p>2/3</p> Signup and view all the answers

    Which nephron segment is responsible for the regulation of urea absorption and acid-base balance?

    <p>Medullary collecting tubules</p> Signup and view all the answers

    Which organic molecules are fully or almost fully reabsorbed in the proximal tubules?

    <p>Glucose and amino acids</p> Signup and view all the answers

    What percentage of additional salt and water is reabsorbed in the distal tubules and connecting tubules?

    <p>5%</p> Signup and view all the answers

    Which part of the nephron plays a significant role in reabsorbing K, PO4, Ca, and HCO3?

    <p>Proximal tubules</p> Signup and view all the answers

    Which nephron segment is influenced by ADH for water reabsorption?

    <p>Cortical collecting tubule</p> Signup and view all the answers

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