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Chapter 13: Hemopoiesis

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

a. Orthochromatic erythroblast

b. Polychromatophilic erythroblast

c. Reticulocyte

d. Basophilic erythroblast

e. Proerythroblast

Which of the following can be used to describe megakaryocytes?

a. Multinucleated

b. Formed by fusion of haploid cells

c. Precursors to bone marrow macrophages

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

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

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

a. Golgi complexes

b. Hemoglobin

c. Nucleoli

d. Nuclear fragments

e. Polyribosomes

Which process occurs during granulopoiesis but not during erythropoiesis?

a. Cells lose their capacity for mitosis

b. Euchromatin content increases

c. Nucleus becomes increasingly lobulated

d. Overall cell diameter decreases

e. Overall nuclear diameter decreases

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

a. Undergo mitosis

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

c. Cannot reenter the circulation

d. Differentiate into functional macrophages

e. Begin to release platelets

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

a. Myelocyte

b. Band form

c. Reticulocyte

d. Metamyelocyte

e. Promyelocyte

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

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