Kidneys and Their Functions
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Questions and Answers

What is the primary function of the kidneys?

  • To store urine until it is excreted
  • To digest food and absorb nutrients
  • To filter blood and remove waste products (correct)
  • To produce hormones that regulate metabolism
  • Why might consuming excessive amounts of salt be problematic for kidney function?

  • It requires the kidneys to work harder to filter blood (correct)
  • It leads to kidney stones forming more easily
  • It can dehydrate the body and reduce urine output
  • It causes the kidneys to produce more urine
  • What waste product is primarily produced by the kidneys during filtration?

  • Sweat
  • Bile
  • Feces
  • Urine (correct)
  • What is a potential consequence of the kidneys having to work extra hard due to high salt intake?

    <p>Increased risk of kidney disease</p> Signup and view all the answers

    Which of the following substances do the kidneys filter out of the blood?

    <p>Waste products, excess salts, and water</p> Signup and view all the answers

    What is the normal pH range that kidneys help maintain for proper bodily function?

    <p>7.0 - 7.5</p> Signup and view all the answers

    How do kidneys contribute to homeostasis in the body?

    <p>By regulating blood pressure, pH, and electrolyte balance</p> Signup and view all the answers

    What is the consequence of a pH falling below 7 in bodily fluids?

    <p>Reduced enzyme functionality</p> Signup and view all the answers

    Which of the following statements about pH and enzyme function is accurate?

    <p>Enzymes perform best around a pH of 7 - 7.4</p> Signup and view all the answers

    What role do kidneys play in regulating electrolyte levels in the body?

    <p>They help maintain balance of electrolytes based on the body's requirements.</p> Signup and view all the answers

    Study Notes

    Kidneys and Waste Removal

    • The kidneys filter blood to remove waste products, excess salts, and water.
    • This filtered waste is then excreted as urine.

    Kidneys and Blood Pressure

    • Kidneys work to regulate blood pressure, ensuring it remains stable.

    Kidneys and pH Balance

    • Kidneys help maintain a balanced pH of 7.0-7.4 in the body.
    • A stable pH is essential for enzyme function and overall bodily processes.

    Excess Salt and Kidney Function

    • Consuming excessive salt puts a strain on the kidneys, forcing them to work harder to remove the excess salt from the body.

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    Description

    Explore the vital roles of kidneys in the body through this quiz. Understand how kidneys filter waste, regulate blood pressure, maintain pH balance, and manage excess salts. Test your knowledge on the critical functions that support overall health.

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