1. The matrix of blood is called:

    E. plasma
  2. In a centrifuged blood sample, the buffy coat between the formed elements and the plasma contains:

    E. leukocytes and platelets
  3. Which one of the following formed elements is the most abundant:

    A. erythrocytes
  4. Erythrocytes:

    B. are anucleate
  5. Normal whole blood contains how many grams of hemoglobin per 100 mL:

    D. 12-18
  6. Which of the following is not a type of red blood cell disorder?

    E. leukemia
  7. Excessive erythrocytes result in:

    B. polycythemia
  8. Which one of the following groups consist of granulocytes:

    B. neutrophils, eosinophils and basophils
  9. The most numerous white blood cells are the:

    C. megakaryocytes
  10. Platelets are fragments of multinucleate cells called:

    D. megakaryocytes
  11. Blood cell formations is called what? And occurs in red blone marrow.

    B. hematopoiesis
  12. The average functional lifespan of an RBC is:

    A. 100-120 days
  13. The hormone that regulates tge rate of erythrocyte production is called:

    D. erthropoietin
  14. Megakaryocytes pinch off anucleate fragments called:

    C. platelets
  15. The series of reactions that stop blood flow following a cut is called:

    C. hemostasis
  16. Which one of the following represents the proper sequence of hemostasis:

    C. vascular spasm, platelet plug formation, coagulation
  17. Blood normally clots in approximately:

    C. 3-6 minutes
  18. Prothrombin activatior coverts prothrombin to:

    E. thrombin
  19. What type of clot is formed during the process of hemostasis?
    a. fibrinogen
    b. fibrin
    c. prothrombin
    d. thrombin
    e. thromboplastin
    b. fibrin
  20. A clot that breaks away from a vessel wall and circulates freely within the bloodstream is called a(n):

    B. embolus
  21. Which of the following is a blood clotting disorder:

    B. hemophilia
  22. Bleeding disorders often result from a lack of the following vitamins:

    D. vitamin K
  23. The ion essential for blood clotting is:

    E. calcium
  24. The organ largely responsible for the synthesis of clotting factor is the:

    C. liver
  25. Severe shock occurs with blood loss of:

    C. over 30 %
  26. A substance that stimulates the immune system to release antibodies:

    D. antigen
  27. The process whereby the binding of antibodies to antigens causes RBC's to clump is called:

    D. aggulation
  28. The most common type of blood in the U.S. population is:

    D. O
  29. ABO blood groups are based on the presence of:

    E. A and B antigens
  30. Compatibility testing for aggulation of donar RBC's by the recipients' serum is called:

    D. cross matching
  31. Anemias appearing in old age result from all the follong EXCEPT:

    C. erythrocyte mutations
  32. Transports oxygen bound to hemoglobin
  33. Active phagocytes that increase rapidly during acute infection
  34. Kills parasitic worms
  35. Contains histamine
  36. Long-term "clean-up team"
  37. The blood type that possesses the A antigen only
    Blood type B
  38. The blood type known as the universal donor
    Blood type O
  39. The blood type known as the universal recipient
    Blood type AB
Card Set