The Essential Functions of Kidneys
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Questions and Answers

Which organ is responsible for processing blood plasma and excreting urine?

  • Stomach
  • Lungs
  • Liver
  • Kidneys (correct)

    • What is the main function of the kidneys?

  • Producing hormones
  • Maintaining homeostasis (correct)
  • Regulating body temperature
  • Digesting food

    • Which of the following is NOT regulated by the kidneys?

  • Hormonal secretion
  • Blood sugar levels (correct)
  • Fluid-electrolyte balance
  • Acid-base balance

    • What is the basic functional unit of the kidney?

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

    Which process involves the movement of water and protein-free solutes from the glomerular blood plasma into the capsular space?

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

    Which process involves the movement of molecules out of the various segments of the tubule and into the peritubular blood?

    <p>Tubular Reabsorption</p> Signup and view all the answers

    Which process involves the movement of molecules out of the peritubular blood and into the tubule for excretion?

    <p>Tubular Secretion</p> Signup and view all the answers

    What is formed after the filtrate moves through the main processes of the nephron?

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

    What does the kidney selectively filter out of the plasma?

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

    What does the kidney reabsorb before the filtrate becomes urine?

    <p>What the body needs</p> Signup and view all the answers

    Which of the following substances is NOT regulated by the kidneys?

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

    What is the primary function of the nephron?

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

    Which hormone is NOT regulated by the kidneys?

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

    What happens during tubular reabsorption?

    <p>Movement of molecules out of the tubule and into the peritubular blood</p> Signup and view all the answers

    Which of the following is NOT a function of the kidneys?

    <p>Filtering harmful substances</p> Signup and view all the answers

    What is the final product of the main processes of the nephron?

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

    Which of the following is NOT a volume measured in the formation of urine?

    <p>Secreted volume</p> Signup and view all the answers

    What is the role of the kidneys in maintaining fluid-electrolyte balance?

    <p>Regulating the excretion of electrolytes</p> Signup and view all the answers

    What happens during tubular secretion?

    <p>Movement of molecules out of the peritubular blood and into the tubule</p> Signup and view all the answers

    Which of the following is NOT a role of the kidneys in maintaining homeostasis?

    <p>Regulating body temperature</p> Signup and view all the answers

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