*NURSING > QUESTIONS & ANSWERS > NURS 8022 Chapter 20: Structure and Function of the Hematologic System (All)

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NURS 8022 Chapter 20: Structure and Function of the Hematologic System

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MULTIPLE CHOICE 1. While checking lab results, the nurse remembers that the normal leukocyte count is: a. 1000-2000 per cubic millimeter. b. 5000-10,000 per cubic millimeter. c. 4.2-6.2 million pe ... r cubic millimeter. d. 1.2-2.2 million per cubic millimeter. ANS: B 5000-10,000 per cubic millimeter is the normal leukocyte count. 1000-2000 per cubic millimeter is an abnormally low leukocyte count. 4.2-6.2 million per cubic millimeter is the normal erythrocyte count. 1.2-2.2 million per cubic millimeter would indicate anemia. REF: p. 492 2. While reviewing lab results, the nurse recalls that the most abundant cells in the blood are: a. leukocytes. b. lymphocytes. c. erythrocytes. d. thrombocytes. ANS: C Erythrocytes (red blood cells) are the most abundant cells of the blood, occupying approximately 48% of the blood. REF: p. 491 3. An adult patient’s blood sample is analyzed in a laboratory. Assuming a normal sample, which type of white blood cell accounts for the highest percentage? a. Neutrophil b. Eosinophil c. Basophil d. Lymphocyte ANS: A Neutrophils constitute about 40-60% of the total leukocyte count in adults. The eosinophils, which have large, coarse granules, constitute only 1-4% of the normal leukocyte count in adults. Basophils make up less than 1% of the leukocytes. Lymphocytes constitute approximately 36% of the total leukocyte count. REF: p. 492 4. A group of cells isolated in the laboratory have membrane-bound granules in their cytoplasm, and they show phagocytic activity. Which of the following cells is most similar? a. Monocyte b. Macrophage c. Lymphocyte [Show More]

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