Chapter 07 Care of the Patient with a Blood or Lymphatic Disorder

Chapter 07  Care of the Patient with a Blood or Lymphatic Disorder

MULTIPLE CHOICE

1. The process by which certain cells engulf and digest microorganisms and cellular debris is called

a. erythrocytosis. b. hematocrit.
c. phagocytosis. d. hemostasis.

ANS: C
Phagocytosis is the process by which bacteria, cellular debris, and solid particles are destroyed and removed.

DIF: Cognitive Level: Comprehension REF: Page 265 OBJ: 2 TOP: Diagnostic procedures KEY: Nursing Process Step: Assessment
MSC: NCLEX: Physiological Integrity

2. An examination in which the different kinds of white blood cells are counted and reported as percentages of the total examined or absolute (actual number) is called

1. reticulocyte.
2. ABO system.
3. mean cell volume (MCV).
4. differential.

ANS: D
A differential white blood cell count is an examination in which the different kinds of WBCs are counted and reported as percentages of the total examined.

DIF: Cognitive Level: Analysis REF: Page 265 OBJ: 9 TOP: Diagnostic procedures KEY: Nursing Process Step: Assessment
MSC: NCLEX: Physiological Integrity

3. The element that makes up 55% of the blood is a. plasma.

b. RBCs.
c. WBCs. d. platelets.

ANS: A
Plasma constitutes 55% of the blood’s volume; the remaining 45% is composed of the blood cells and platelets.

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Test Bank 7-2

DIF: Cognitive Level: Knowledge REF: Page 263 TOP: Plasma KEY: Nursing Process Step: Assessment MSC: NCLEX: Physiological Integrity

4. Erythrocytes are also known as a. WBCs.

b. platelets. c. RBCs. d. oxygen.

ANS: C
Erythrocytes (red blood cells) give blood its rich, red color.

DIF: Cognitive Level: Knowledge REF: Page 263 TOP: Erythrocytes KEY: Nursing Process Step: Assessment MSC: NCLEX: Physiological Integrity

5. Leukocytes are also known as a. WBCs.

b. platelets.
c. RBCs.
d. hemoglobin.

OBJ: 1

ANS: A
Unlike the erythrocytes, the leukocytes (white blood cells) have nuclei, are colorless, and live from a few days to several years.

DIF: Cognitive Level: Knowledge REF: Page 265 OBJ: 1 TOP: Leukocytes KEY: Nursing Process Step: Assessment
MSC: NCLEX: Physiological Integrity

6. The presence of excess bands in the peripheral blood that indicate severe infection is called

1. shift to the left.
2. shift to the right.
3. bone marrow aspiration.
4. thrombocytosis.

ANS: A
The presence of excess bands in the peripheral blood is called a shift to the left (i.e., a shift toward immature cells) and indicates severe infection.

DIF: Cognitive Level: Analysis REF: Page 265 OBJ: 9 TOP: Diagnostic procedures KEY: Nursing Process Step: Assessment
MSC: NCLEX: Physiological Integrity