Biology Quiz: Amino Acids and Dialysis
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Questions and Answers

What waste product is produced from the deamination of amino acids in the liver?

  • Urea
  • Bile
  • Ammonia (correct)
  • Creatinine
  • What is the primary role of immunosuppressant drugs in kidney transplant patients?

  • To increase fluid retention
  • To suppress the immune system (correct)
  • To enhance kidney function
  • To prevent blood clots
  • In dialysis, what factor allows urea and excess ions to move from the patient's blood into the dialysis fluid?

  • Active transport
  • Evaporation
  • Concentration gradient (correct)
  • Osmosis
  • Which of the following processes involves the conversion of ammonia to a less toxic substance?

    <p>Ureagenesis (A)</p> Signup and view all the answers

    What happens to amino acids in the liver after deamination?

    <p>They can be converted into proteins like fibrinogen (D)</p> Signup and view all the answers

    Study Notes

    Amino Acids

    • Urea is formed when the body's protein digestion produces an excess of amino acids, which cannot be stored.
    • Deamination occurs in the liver, where amino acids lose nitrogen containing parts, producing ammonia.
    • Ammonia is converted to less toxic urea, and excreted as urine.
    • The liver also processes amino acids to create proteins like fibrinogen.

    Dialysis

    • Patients' blood flows over a semi-permeable membrane in a dialysis machine.
    • The dialysis fluid is on the other side of the membrane.
    • A concentration gradient is created allowing waste products and excess ions to diffuse from the blood to the dialysis fluid.

    Immunosuppressants

    • Patients who receive a donor kidney often take immunosuppressant drugs.
    • These drugs prevent the body's immune system from attacking the foreign cells in the donor kidney.

    Neurons

    • There are three types of nerve cells.

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    Description

    This quiz covers essential topics in biology, focusing on amino acids, the process of dialysis, and the role of immunosuppressants in organ transplants. Explore the intricate relationships between proteins, waste removal, and the immune system in relation to kidney function.

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