Kidney Function: Sodium Reabsorption Importance
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Questions and Answers

What determines the extracellular fluid (ECF) volume?

  • The amount of calcium ions in the ECF
  • The amount of sodium ions in the ECF (correct)
  • The amount of potassium ions in the ECF
  • The amount of chloride ions in the ECF

    • Which of the following is the most important function of the kidney?

  • Excretion of urea
  • Reabsorption of potassium ions
  • Reabsorption of sodium ions (correct)
  • Reabsorption of chloride ions

    • What happens when sodium excretion is less than sodium intake?

  • Negative sodium balance, decreased ECF volume, decreased blood volume, and decreased blood pressure
  • Positive sodium balance, decreased ECF volume, decreased blood volume, and decreased blood pressure
  • Positive sodium balance, increased ECF volume, increased blood volume, and increased blood pressure (correct)
  • Negative sodium balance, increased ECF volume, increased blood volume, and increased blood pressure

    • What is the process by which the kidneys maintain a normal body sodium content called?

    <p>Sodium balance</p> Signup and view all the answers

    What happens when sodium excretion is greater than sodium intake?

    <p>Negative sodium balance, decreased ECF volume, decreased blood volume, and decreased blood pressure</p> Signup and view all the answers

    What happens to the extracellular fluid (ECF) volume when the sodium content of the ECF is increased?

    <p>The ECF volume increases</p> Signup and view all the answers

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