1. The biconcave cells that lack nuclei when they are mature are the
A. white blood cells
B. red blood cells
C. macrophages
D. platelets
2. Which of the following is an agranulocyte?
A. basophil
B. eosinophil
C. monocyte
D. neutrophil
3. Platelets are best defined as
A. giant, mutinucleated cells
B. cytoplasmic fragments of cells
C. immature leukocytes
D. lymphoid cells
4. The phagocytic cells among the leukocytes are
A. basophils
B. neutrophils and monocytes
C. lymphocytes and neutrophils
D. monocytes and lymphocytes
5. An abnormally high white blood cell count is termed
A. leukopenia
B. infection
C. leukocytosis
D. an allergy
6. In an adult, red blood cells are produced primarily in the
A. red bone marrow
B. yellow bone marrow
C. the yolk sac
D. the spleen
7. Erythropoietin is
A. released by the kidneys and increases red blood cell production
B. released by the kidneys and decreases red blood cell production
C. released by the liver and increases red blood cell production
D. released by red bone marrow and increases red blood cell production
E. released by the liver and decreases red blood cell production
8. The white blood cell that is most numerous is the
A. basophil
B. eosinophil
C. neutrophil
D. lymphocyte
9. The term used to describe the stoppage of bleeding is
A. hemoclamping
B. hemolysis
C. homeostasis
D. hemostasis
10. Which blood type contains antigen B?
A. type A only
B. type B only
C. types O and B
D. types B and AB
E. type AB only
11. Which blood type contains antibody A?
A. type A only
B. type B only
C. type O only
D. types A and O
E. types B and O
12. Which of the following is an abnormal blood clot that is moving in a blood vessel?
A. thrombus
B. embolus
C. gamma globulins
D. albumin
13. Carbon dioxide is a gas commonly found in plasma.
A. true
B. false
14. Plasma is mostly water.
A. true
B. false
15. Following vasoconstriction of a blood vessel due to damage, what event occurs next to stop the bleeding?
A. clot formation
B. platelet plug formation
C. thrombus formation
D. vasodilation
Answers:
1. b 2. c 3. b 4. b 5. c 6. a 7. a 8. c 9. d 10. d 11. e 12. b 13. a 14. a 15. b