Chapter 19 Objectives

1. Identify the general functions of the blood.

2. Identify the general functions of the contents of blood plasma.

3. Understand the characteristics of erythrocytes.

4. Explain briefly the life cycle of an erythrocyte.

5. Identify some common diseases associated with red blood cells.

6. Distinguish the color and functions among the three types of white blood cells
    containing granules.

7. Note the structure/function of lymphocytes and monocytes.

8. Explain the role of blood platelets in clotting.

Take a Quiz

1. The blood component that is related to the oxyhemoglobin dissociation curve is the:
        a. erythrocyte
        b. leucocyte
        c. thrombocyte
        d. antibody

2. The protein found in plasma that maintains your blood pressure due to its osmotic  
    effect is:
        a. fibrinogen
        b. insulin
        c. albumin
        d. collagen

3. Circulating red blood cells:
        a. contain a nucleus
        b. have biconcave disk shape
        c. contain 30% of the body's hemoglobin
        d. clot the blood to prevent its loss

4. The life span of a red blood cell is:
        a. 5 days
        b. one month
        c. 120 days
        d. the same as the lifespan of an individual

5. How is oxygen carried through the blood stream?
        a. dissolved in plasma
        b. on receptors on the red blood cell membrane
        c. as an amino acid
        d. on the iron portion of the hemoglobin molecule

6. Identify the disease associated with abnormal production of RBCs.
        a. hemolytic anemia
        b. pernicious anemia
        c. hemorrhagic anemia
        d. sickle cell anemia

7. The leucocyte that increases with allergies and contains acid staining granules is the:
        a. eosinophil
        b. basophil
        c. neutrophil

8. Identify the two white cells that act as phagocytes from the following list.
        a. neutrophil
        b. basophil
        c. monocyte
        d. lymphocyte
        e. thrombocyte

9. The antibodies that protect you are produced by:
        a.  the liver, spleen, and bone marrow
        b. lymphocytes
        c. neutrophils
        d. mast cells

10. Fragments of these cells can plug a blood vessel to stop bleeding.
        a. neutophils
        b. lymphocytes
        c. thrombocytes
        d. B cells