Red Blood Cell Lifespan and Recycling Quiz
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Questions and Answers

What happens to older red blood cells as they pass through narrow capillaries?

  • They may become stronger
  • They may multiply
  • They may rupture (correct)
  • They may change color
  • What happens to the remnants of heme groups from destroyed red blood cells?

  • Formed into new proteins
  • Incorporated into new red blood cells
  • Excreted in urine
  • Converted to bilirubin (correct)
  • How is bilirubin excreted from the body?

  • Through respiration
  • Via the skin
  • In urine
  • In feces (correct)
  • What causes the condition known as jaundice?

    <p>Elevated bilirubin levels in the blood</p> Signup and view all the answers

    What is the common cause of jaundice discussed in the text?

    <p>Liver disease</p> Signup and view all the answers

    Which condition is characterized by a low red blood cell count and hemoglobin content?

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

    What is the result of the crystallization of abnormal hemoglobin in sickle cell disease?

    <p>Formation of sickle-shaped red blood cells</p> Signup and view all the answers

    Which compound is administered as a treatment for sickle cell disease?

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

    What is the cause of inadequate heme production in iron-deficiency anemia?

    <p>Insufficient iron intake</p> Signup and view all the answers

    What is the characteristic shape of red blood cells in hereditary spherocytosis?

    <p>Spherical cells</p> Signup and view all the answers

    What is a consequence of red blood cells jamming up and blocking blood flow in sickle cell disease?

    <p>Tissue damage and pain from hypoxia</p> Signup and view all the answers

    What effect does hydroxyurea treatment have on sickle cell disease?

    <p>Inhibits DNA synthesis and alters bone marrow function</p> Signup and view all the answers

    Which condition results from failure of the bone marrow to make adequate amounts of hemoglobin?

    <p>Aplastic anemia</p> Signup and view all the answers

    What causes accelerated red blood cell loss in hemolytic anemias?

    <p>Blood loss</p> Signup and view all the answers

    Which type of anemia results from insufficient dietary intake of essential nutrients?

    <p>Iron-deficiency anemia</p> Signup and view all the answers

    What is a common treatment for iron-deficiency anemia?

    <p>Iron supplements</p> Signup and view all the answers

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