Neutrophils and the Immune System
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Questions and Answers

Which of the following is NOT a function of blood?

  • Forming blood clots to prevent blood loss
  • Producing lymphocytes in the bone marrow (correct)
  • Delivering waste products to the kidneys and liver
  • Transporting oxygen and nutrients to the lungs and tissues
  • What is the average volume of blood in the human body?

  • 4-6 liters (correct)
  • 10-12 liters
  • 2-3 liters
  • 7-9 liters
  • During which stage of development does blood formation primarily occur in the liver and spleen?

  • First few weeks of gestation
  • During adulthood
  • 6 weeks of development
  • 6-7 months of fetal life (correct)
  • Which type of lymphocyte is more numerous, B cells or T cells?

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

    What is the primary function of B cells?

    <p>Production and secretion of antibodies</p> Signup and view all the answers

    Which type of lymphocyte is responsible for recognizing invaders and activating the immune response?

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

    Which cells are derived from colony-forming unit-erythrocytes (CFU-E)?

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

    Where are lymphatic follicles most numerous in the body?

    <p>Ileum of the small intestine</p> Signup and view all the answers

    What is the lifespan of red blood cells (RBCs) in circulation?

    <p>120 days</p> Signup and view all the answers

    Which cells make up the majority of leukocytes?

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

    What is the function of lymphocytes in the immune system?

    <p>Provide defense against foreign material</p> Signup and view all the answers

    Which type of leukocytes increase in number in acute bacterial infections?

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

    Which type of leukocytes have a bilobed nucleus and eosinophilic granules?

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

    Which type of leukocytes are involved in allergic reactions and increase in number in hay fever and asthma?

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

    Which type of leukocytes circulate in the bloodstream for only 1-3 days and then enter connective tissues to become macrophages?

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

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