The Cardiovascular System: Blood Chapter 18.1 Overview Quiz
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Questions and Answers

What is the primary function of EPO (erythropoietin) in the body?

  • Induces production of monocytes
  • Promotes differentiation and maturation of erythrocytes (correct)
  • Stimulates the development of platelets
  • Signals resistance to disease

    • Which type of stem cell becomes a lymphocyte for immunity and matures in various places?

  • Colony-stimulating factor stem cell
  • Myeloid stem cell
  • Hemopoietic stem cell
  • Lymphoid stem cell (correct)

    • What is the main source of thrombopoietin, which stimulates the development of platelets?

  • Bone marrow
  • Liver (correct)
  • Spleen
  • Kidney

    • What is the role of cytokines in hemopoiesis?

    <p>Signal local cellular chemicals</p> Signup and view all the answers

    In hemopoiesis, which type of stem cell becomes erythrocytes, platelets, granular leukocyte, or monocytes?

    <p>Myeloid stem cell</p> Signup and view all the answers

    What is the function of colony-stimulating factors in hemopoiesis?

    <p>Promote differentiation of myeloblasts</p> Signup and view all the answers

    What is the role of erythrocytes in the body?

    <p>Carrying oxygen away from the lungs and bringing some carbon dioxide back to the lungs</p> Signup and view all the answers

    What happens to red blood cells after living for about 120 days?

    <p>They are eaten by macrophages, and their amino acids are recycled to form new red blood cells</p> Signup and view all the answers

    What is the function of hemoglobin?

    <p>Carrying oxygen and carbon dioxide in the blood</p> Signup and view all the answers

    What happens to the percentage of hemoglobin saturation if oxygen decreases?

    <p>Erythropoietin (EPO) production increases</p> Signup and view all the answers

    What is the fate of iron consumed from food sources?

    <p>Less than 20% is absorbed, and it is needed for the production of hemoglobin</p> Signup and view all the answers

    What happens to red blood cell production if oxygen levels decrease?

    <p>Erythropoietin (EPO) production increases</p> Signup and view all the answers

    What is the normal percentage of RBC in the blood?

    <p>45%</p> Signup and view all the answers

    Which plasma protein is most abundant and transports fatty acids and steroid hormones?

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

    What is the characteristic color of blood just after receiving oxygen?

    <p>Bright red</p> Signup and view all the answers

    What stimulates the production of platelets?

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

    What is the function of fibrinogen in the blood?

    <p>Essential for blood clotting</p> Signup and view all the answers

    Which stem cell becomes erythrocytes, platelets, granular leukocytes, or monocytes?

    <p>Myeloid stem cell</p> Signup and view all the answers

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