What Is The Average Lifespan Of A Red Blood Cell?

20 Questions | Total Attempts: 328

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Blood Cells Quizzes & Trivia

4


Questions and Answers
  • 1. 
    Blood is composed of all of the following except:
    • A. 

      Plasma

    • B. 

      Interstitial fluid

    • C. 

      Blood cells

    • D. 

      Cell fragments

    • E. 

      Formed elements

  • 2. 
    The formed elements of the blood include
    • A. 

      Lipoproteins

    • B. 

      Albumins

    • C. 

      Clotting proteins

    • D. 

      Blood cells

    • E. 

      Defense proteins

  • 3. 
    The most abundant proteins in blood plasma are
    • A. 

      Albumins

    • B. 

      Lipoproteins

    • C. 

      Fibrinogens

    • D. 

      Globulins

    • E. 

      Transport proteins

  • 4. 
    The average lifespan of a red blood cell is
    • A. 

      1 year

    • B. 

      1 week

    • C. 

      4 months

    • D. 

      6 months

    • E. 

      1 month

  • 5. 
    A hemoglobin molecule is composed of
    • A. 

      Three protein chains

    • B. 

      Two protein chains

    • C. 

      Four protein chains and nothing else

    • D. 

      Four protein chains and four heme groups

    • E. 

      Four heme groups but no protein

  • 6. 
    Most of the iron that is removed from degraded hemoglobin is
    • A. 

      Stored in yellow bone marrow

    • B. 

      Excreted by the liver

    • C. 

      Excreted by the intestines

    • D. 

      Recycled to the bone marrow

    • E. 

      Excreted by the kidneys

  • 7. 
    Erythropoiesis increases when
    • A. 

      Carbon dioxide levels in the blood increase

    • B. 

      Oxygen levels in the blood decrease

    • C. 

      Oxygen levels in the blood increase

    • D. 

      Protein levels in the blood increase

    • E. 

      Carbon dioxide levels in the blood decrease

  • 8. 
    A normal adult hematrocrit would be
    • A. 

      45

    • B. 

      100

    • C. 

      75

    • D. 

      66

    • E. 

      10

  • 9. 
    All of the following are true of neurtrophils except that they are
    • A. 

      Important in coagulation

    • B. 

      Phagocytic

    • C. 

      Granular leukocytes

    • D. 

      Also known as polymorphonuclear leukocytes

    • E. 

      Active in fighting bacterial infections

  • 10. 
    Red blood cell production is regulated by the hormone
    • A. 

      Cobalamin

    • B. 

      Thymosin

    • C. 

      M-CSF

    • D. 

      Angiotensin I

    • E. 

      Erythropoietin

  • 11. 
    The function of hemoglobin is to
    • A. 

      Carry oxygen

    • B. 

      Aid in the process of blood clotting

    • C. 

      Protect the body against infectious agents

    • D. 

      Carry nutrients from the intestine to the body's cells

    • E. 

      Both A and C

  • 12. 
    The process of red blood cell production is called
    • A. 

      Hemocytosis

    • B. 

      Erythrocytosis

    • C. 

      Erythropoiesis

    • D. 

      Hematopenia

    • E. 

      Erythropenia

  • 13. 
    A person's blood type is determined by the
    • A. 

      Number of specific molecules on the cell membrane

    • B. 

      Presence or absence of specific antigen on the cell membrane

    • C. 

      Shape of the red blood cells

    • D. 

      Chemical character of the hemoglobin

    • E. 

      Size of the red blood cells

  • 14. 
    A person with type A negative blood
    • A. 

      Would have neither the A or B antigen but does have the RH antigen

    • B. 

      Would have a RBC with B antigens and the RH antigen on the cell membrane

    • C. 

      Would have a RBC with A antigens and the RH antigen on the cell membrane

    • D. 

      Would only have the A antigen

    • E. 

      Would have the A antigen but does not have the RH antigen

  • 15. 
    The most numerous white blood cells in the peripheral circulation are the
    • A. 

      Monocytes

    • B. 

      Eusinophils

    • C. 

      Neutrophils

    • D. 

      Lymphocytes

    • E. 

      Basophils

  • 16. 
    White blood cells that release histamine at the site of an injury are
    • A. 

      Eusinophils

    • B. 

      Monocytes

    • C. 

      Basophils

    • D. 

      Lymphocytes

    • E. 

      Neutrophils

  • 17. 
    ________ are large phagocytic white cells that spend most of their time outside of the blood as fixed and free phagocytic cells
    • A. 

      Neutrophils

    • B. 

      Eusinophils

    • C. 

      Monocytes

    • D. 

      Basophils

    • E. 

      Lymphocytes

  • 18. 
    The white blood cells that are important in producing antibodies are the
    • A. 

      Basophils

    • B. 

      Neutrophils

    • C. 

      Monocytes

    • D. 

      Lymphocytes

    • E. 

      Eusinophils

  • 19. 
    Platelets function in all of the following, except:
    • A. 

      Dissolving a formed clot

    • B. 

      Transporting chemicals important for clotting

    • C. 

      Contraction after clot formation

    • D. 

      Initiating the clotting process

    • E. 

      Forming temporary patches in injured areas

  • 20. 
    The following is a list of the steps involved in the process of hemostasis. 1. coagulation 2. fibrinolysis 3. vascular spasm 4. retraction 5. platelet phase The correct sequence of these steps is:
    • A. 

      5, 1, 4, 2, 3

    • B. 

      4, 3, 5, 2, 1

    • C. 

      3, 5, 1, 4, 2

    • D. 

      2, 3, 5, 1, 4

    • E. 

      3, 5, 4, 1, 2

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