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Chapter 13: Hemopoiesis

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In which of the following cells involved in erythropoiesis does hemoglobin synthesis begin?

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a. Orthochromatic erythroblast

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b. Polychromatophilic erythroblast

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c. Reticulocyte

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d. Basophilic erythroblast

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e. Proerythroblast

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Which of the following can be used to describe megakaryocytes?

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a. Multinucleated

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b. Formed by fusion of haploid cells

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c. Precursors to bone marrow macrophages

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d. A minor but normal formed element found in the circulation

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e. Possess dynamic cell projections from which one type of formed element is released

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Which cytoplasmic components are the main constituents of the dark precipitate that forms in reticulocytes upon staining with the dye cresyl blue?

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a. Golgi complexes

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b. Hemoglobin

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c. Nucleoli

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d. Nuclear fragments

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e. Polyribosomes

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Which process occurs during granulopoiesis but not during erythropoiesis?

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a. Cells lose their capacity for mitosis

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b. Euchromatin content increases

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c. Nucleus becomes increasingly lobulated

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d. Overall cell diameter decreases

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e. Overall nuclear diameter decreases

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What fate often awaits granulocytes that have entered the marginating compartment?

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a. Undergo mitosis

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b. Crossing the wall of a venule to enter connective tissue

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c. Cannot reenter the circulation

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d. Differentiate into functional macrophages

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e. Begin to release platelets

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What is the earliest stage at which specific granulocyte types can be distinguished from one another?

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a. Myelocyte

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b. Band form

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c. Reticulocyte

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d. Metamyelocyte

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e. Promyelocyte

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Which cell type is capable of further mitosis after leaving the hemopoietic organ in which it is formed?

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