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What is the primary function of leukocytes as a whole?a. make antibodiesb. engulf bacteriac. kill parasitesd. defend body from nonself agents
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D. defend body from nonself agents
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What pools of leukocytes are included in the typical wbc ct?a. all cells inside the blood vesselb. only cells freely circulatingc. only cells marginating against the vessel walld. all wbcs in body
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B. only cells freely circulating
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What is the last granlocyte in the maturation sequence able to undergo mitosis?a. myeloblastb. promyelocytec. myelocyted. band
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C. myelocyte
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What is the earliest identifiable cell in the granulocyte maturation sequence?a. pluripotent stem cellb. CU-GEMMc. myeloblastd. myelocte
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C. myeloblast
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What pool of cells is first to arrive when extra granulocytes are needed in the tissues?those:a. that are marginatingb. that are freely circulatingc. from the bone marrowd. from the lymph nodes
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A. that are marginating
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What directs the mitosis and maturation action of progenitor neutrophil cells in the bone marrow?a. erythropoietinb. the number os stem cellsc. the number of mature cells in the peripheral circulationd. colony-stimulating cytokines such as interleukins
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D. colony-stim cytokines such as interleukins
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A cell having a round nucleus with delicate chromatin, prominent nucleoli and scant basophilic cytoplasm with a possible rare azurophilic granule is an accurate description of a:a. myeloblastb. myelocytec. metamyelocyted. band
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A. myeloblast
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What is the earliest stage of maturation where a neutrophil can be distinguished from an eosinophil?a. myeloblastb. CFU-GEMMc. metamyelocyted. myelocyte
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D. myelocyte
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Select the correct maturation sequence for granulocytes starting with youngest.a. promyelocyte, myeloblast, metamyelocyte, myelocyte, segmentedb. myeloblast, promyelocyte, myelocyt, metamyelocyte, band, segc. seg, band, metamyelocyte, myelocyte, promyelocyte, myeloblastd. CFU-GEMM, promyelocyte, metamyelocyte, myelocyte, segmented
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B. myeloblast, pro, myelo, meta, band, seg
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Which of the following neutrophils is capable of chemotaxis?a. stem cellb. progenitor cellc. myelocyted. band
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D. band
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Which of the following has the most controversal morphologic id system from one lab to anothera. progenitor cellsb. stem cellsc. prosd. bands
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D. bands
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Which of the fllowing is a ffeature of a normal sega. basophilic cytoplasmb. round nucleus with fine chromatinc. small pink-lilac granulesd. prominent primary granules
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C. small pink-lilac granules
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A seg performs all of the following excepta. chemotaxisb. phagocytosisc. mitosisd. pinocytosis
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C. mitosis
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Alergies are assoc with an inc of which type of granulocyte?a. prob. bandc. segd. eos
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D. eos
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Which of the following cells isdescribed as a large cell with abundant cytoplasm containing minute granules, lacy chromatin, and an indented or curved nucleus?a. monob. macrophagec. lymphd. baso
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A. mono
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