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Chapter 12: Blood

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Which biochemical component of the erythrocyte cell surface is primarily responsible for determining blood type (eg, the A-B-O system).

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a. Fatty acid

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b. Carbohydrate

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c. Nucleic acid

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d. Protein

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e. Cholesterol

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What cell in circulating blood is the precursor to microglia and most antigen-presenting cells?

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a. Eosinophil

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b. Basophil

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c. Lymphocyte

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d. Monocyte

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e. Mast cell

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What is the approximate life span of a circulating erythrocyte?

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a. 8 days

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b. 20 days

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c. 5 weeks

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d. 4 months

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e. 1 year

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Which cell type has cytoplasmic granules that contain heparin and histamine?

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a. Eosinophils

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b. Basophils

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c. Lymphocytes

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d. Monocytes

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e. Neutrophils

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A differential cell count of a blood smear from a patient with a parasitic infection is likely to reveal an increase in the circulating numbers of which cell type?

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a. Neutrophils

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b. Lymphocytes

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c. Monocytes

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d. Basophils

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e. Eosinophils

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Which of the following blood cells differentiate outside of the bone marrow?

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a. Neutrophils

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b. Basophils

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c. Eosinophils

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d. T lymphocytes

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e. Megakaryocytes

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Examination of a normal peripheral blood smear reveals a cell more than twice the diameter of an erythrocyte with a kidney-shaped nucleus. There cells are < 10% of the total leukocytes. Which of the following cell types is being described?

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a. Monocyte

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b. Basophil

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c. Eosinophil

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d. Neutrophil

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e. Lymphocyte

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