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Questions and Answers
What determines the extracellular fluid (ECF) volume?
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?
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?
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?
What is the process by which the kidneys maintain a normal body sodium content called?
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What happens when sodium excretion is greater than sodium intake?
What happens when sodium excretion is greater than sodium intake?
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What happens to the extracellular fluid (ECF) volume when the sodium content of the ECF is increased?
What happens to the extracellular fluid (ECF) volume when the sodium content of the ECF is increased?
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