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STUDY GUIDE
Chapter 18: Hematology
Mrs. Dasalla
1. Which of the following tests is not included in a CBC?
a Differential white blood cell count
b Hemoglobin
c Hematocrit
d Prothrombin time
e Red and white blood cell counts
2. The plasma functions in
a Transporting electrolytes needed by the cells
b Transporting nutrients to the tissues
c Picking up wastes from the tissues
d Transporting antibodies, enzymes, and hormones
e All of the above
3. How many pints of blood does the average adult contain?
a 4 to 6 pints
b 8 to 10 pints
c 10 to 12 pints
d 15 to 20 pints
4. In an adult, red blood cells are formed in the red bone marrow of the
a Ribs
b Sternum
c Skull
d Ends of the long bones of the limbs
e All of the above
5. A mature erythrocyte
a Has a biconcave shape and contains a nucleus
b Has a round shape and contains a multilobed nucleus
c Has a convex shape and does not contain a nucleus
d Has a biconcave shape and does not contain a nucleus
6. What is the normal range for a red blood cell count for a woman (in cells per cubic
millimeter of blood)?
a 3 to 4 million
b 4 to 5.5 million
c 4.5 to 6.2 million
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d 5 to 6 million
7. The function of hemoglobin is to
a Defend the body against infection
b Transport oxygen in the body
c Assist in blood clotting
d Transport electrolytes in the body
8. Mr. Peterson has a hemoglobin reading of 16. This is considered to be
a Within the reference range
b Above the reference range
c Below the reference range
d An invalid result
9. What is the average life span of a red blood cell?
a 1 week
b 30 days
c 120 days
d 6 months
10. Mrs. Nelson has a white blood cell count of 14,500. This is considered to be
a Within the reference range
b Above the reference range
c Below the reference range
d An inaccurate test result
11. An abnormal increase in the number of leukocytes is known as
a Lymphocytosis
b Leukopenia
c Leukocytosis
d Hyperleukia
12. Leukocytes do their work in the
a Circulatory system
b Tissues
c Lymphatic system
d Central nervous system
13. The movement of leukocytes through the pores of the capillaries is known as
a Leukocytosis
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b Phagocytosis
c Flagellation
d Diapedesis
14. Pus consists of all of the following except
a Dead leukocytes
b Erythrocytes
c Dead bacteria
d Dead tissue cells
15. What is the normal range for a platelet count for an adult (in platelets per cubic
millimeter of blood)?
a 5000 to 10,000
b 12 to 16
c 180,000 to 300,000
d 150,000 to 400,000
16. A low hemoglobin reading may occur with all of the following except
a Anemia
b Polycythemia
c Leukemia
d Severe hemorrhaging
17. Mr. Johnson has a hematocrit reading of 60. This is considered to be
a Increased
b Decreased
c Normal
d Invalid
18. When using a microhematocrit centrifuge, the hematocrit test results should be read at the
a Top of the red cell column
b Bottom of the red cell column
c Top of the buffy coat
d Top of the plasma column
19. Which of the following results in leukopenia?
a Appendicitis
b Chickenpox
c Chemotherapy
d Rheumatic fever
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20. Which of the following red blood cell indices measures the average size of a single red
blood cell?
a MCV
b MCH
c MCHC
d RDW
21. Which of the following red blood cell indices measures the average concentration of
hemoglobin within a single red blood cell?
a MCV
b MCH
c MCHC
d RDW
22. What is the most common cause of microcytic anemia?
a A lack of iron in the diet
b A lack of vitamin B12 in the body
c Kidney disease
d Bone cancer
23. Which of the following is not a granular leukocyte?
a Neutrophil
b Eosinophil
c Basophil
d Monocyte
24. The nucleus of a neutrophil generally contains
a Three to five lobes
b Six to eight lobes
c Fine granules
d No lobes
25. An immature form of a neutrophil is known as a
a Plasma cell
b Mast cell
c Band
d Seg
26. An increase in neutrophils occurs during
a An acute infection
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b Polycythemia
c Bone marrow damage
d A chronic infection
27. The primary function of a neutrophil is to
a Engulf pathogens through phagocytosis
b Act as a scavenger to clean up debris
c Produce antibodies
d Transport carbon dioxide
28. Which of the following white blood cells has granules in the cytoplasm that stain bright
reddish orange?
a Neutrophil
b Basophil
c Lymphocyte
d Monocyte
e Eosinophil
Extra Credit Question
29. Which of the following is the largest white blood cell?
a Neutrophil
b Basophil
c Lymphocyte
d Monocyte
e Eosinophil
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