Blood Cells and Anemia
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Questions and Answers

Which type of leukocyte is most efficient against bacteria?

  • Monocytes
  • Eosinophils
  • Basophils
  • Neutrophils (correct)
  • What can lead to an increased risk for disease due to too many nonfunctional leukocytes?

  • Leukocytosis (correct)
  • Leukopenia
  • Iron deficiency
  • Leukemia
  • Which leukocyte type is involved in the general nonspecific immunity against foreign cells or body cells that don’t express 'self' proteins?

  • Natural killer cells (correct)
  • Basophils
  • Monocytes
  • B and T cells
  • What do basophils release to intensify the inflammatory response?

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

    Which leukocyte type is essential in the immune response and has memory cells that last for years after exposure?

    <p>B and T cells</p> Signup and view all the answers

    What can result from too few leukocytes being produced, leaving the body unable to fight off disease?

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

    What is the main function of erythrocytes (RBCs) in the body?

    <p>Transporting carbon dioxide away from the lungs</p> Signup and view all the answers

    Why do erythrocytes (RBCs) lack a nucleus and most organelles?

    <p>To rely on anaerobic respiration</p> Signup and view all the answers

    What is the role of copper in erythrocyte function?

    <p>Helps to absorb and transport iron</p> Signup and view all the answers

    What is the significance of a molecule of hemoglobin having an iron ion?

    <p>It enables the binding of oxygen molecules</p> Signup and view all the answers

    Why do people living at high elevations normally have a higher hematocrit?

    <p>To compensate for decreased oxygen saturation in the blood</p> Signup and view all the answers

    What characterizes sickle cell disease in terms of hemoglobin function?

    <p>Delivers less oxygen and assumes a sickle shape at low oxygen concentrations</p> Signup and view all the answers

    What is the composition of blood plasma?

    <p>92% water with a variety of substances, mostly proteins</p> Signup and view all the answers

    What is the purpose of albumin in blood plasma?

    <p>Transporting fatty acids and steroid hormones</p> Signup and view all the answers

    What is the role of thrombopoietin in the body?

    <p>Stimulating development of platelets</p> Signup and view all the answers

    What is the function of hemoepoietic stem cells in the body?

    <p>Becoming erythrocytes, platelets, granular leukocyte, or monocytes</p> Signup and view all the answers

    What is hematocrit, in relation to the composition of blood?

    <p>The percentage of red blood cells in blood</p> Signup and view all the answers

    How are WBC and platelets related to defense and clotting?

    <p>WBC provide defense while platelets are involved in clotting</p> Signup and view all the answers

    What is the main difference between chronic and acute leukocytosis?

    <p>Chronic leukocytosis involves the failure of mature leukocytes to die, whereas acute leukocytosis involves the overproduction of young immature leukocytes.</p> Signup and view all the answers

    What is the function of platelets in stopping blood flow following damage to a vessel?

    <p>Initiate the formation of a blood clot</p> Signup and view all the answers

    What triggers the extrinsic pathway of coagulation?

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

    Which vitamin is required by the liver for many clotting factors?

    <p>Vitamin K</p> Signup and view all the answers

    What is the primary function of fibrinolysis?

    <p>Degradation of the blood clot</p> Signup and view all the answers

    What is a characteristic feature of hemophilia?

    <p>Deficiency of a clotting factor</p> Signup and view all the answers

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