The Cardiovascular System: Blood Chapter 18.1 Quiz
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Questions and Answers

What are platelets responsible for?

  • Repairing damaged blood vessels and providing growth factors for healing and repair (correct)
  • Cleaning up debris in the bloodstream
  • Protecting against invading microorganisms and cells with mutated DNA
  • Producing antibodies to fight infections

    • Which leukocyte type is efficient against bacteria and contains lyszyme and defensins to breakdown membranes and walls?

  • Monocytes
  • Neutrophils (correct)
  • Eosinophils
  • Basophils

    • What is the primary function of basophils?

  • Producing antibodies
  • Fighting parasitic worms
  • Repairing damaged tissues
  • Intensifying the inflammatory response (correct)

    • What is the most common leukocyte type?

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

    Which disorder involves an abundance of leukocytes that do not function properly?

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

    What is the primary function of natural killer cells?

    <p>Provide non-specific immunity against foreign cells or body cells that don’t express 'self' proteins</p> Signup and view all the answers

    What is the normal percentage saturation of hemoglobin with oxygen?

    <p>95-100%</p> Signup and view all the answers

    What is the main function of erythrocytes?

    <p>Carrying oxygen</p> Signup and view all the answers

    What is the molecule in red blood cells that can hold one oxygen molecule?

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

    What happens to old red blood cells after they have lived for about 120 days?

    <p>Iron is stored or recycled</p> Signup and view all the answers

    Which nutrient facilitates the synthesis of heme in red blood cells?

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

    In what genetic disorder does hemoglobin assume a sickle shape at low oxygen concentrations?

    <p>Sickle cell disease</p> Signup and view all the answers

    What is the main function of white blood cells in the blood?

    <p>Defending the body against pathogens</p> Signup and view all the answers

    What is the composition of the buffy coat in blood?

    <p>White blood cells and platelets</p> Signup and view all the answers

    Which component of blood is responsible for drawing in water from tissues?

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

    Where does the production of red blood cells (erythrocytes) primarily occur?

    <p>Red bone marrow</p> Signup and view all the answers

    What is the main function of thrombopoietin in the blood?

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

    What is the purpose of a bone marrow biopsy as mentioned in the text?

    <p>To detect forms of anemia and/or cancer</p> Signup and view all the answers

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