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Which of the following cells do NOT have the biconcave disc shape?

A. fibroblast
B. chondrocyte
C. mature erythrocyte.
D. reticular cell
E. immature erythrocyte in the bone marrow.

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For the basis of classification of leukocytes, which of the following statements is NOT true?

A. cell size
B. morphology of nucleus
C. specific granules
D. non-specific granules
E. phagocytizing capacity

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Which of the following statements about eosinophils is CORRECT?

A. Constitute about 0.5%-3% of the leukocyte population.
B. Packed with coarse, pink-staining granules with Wright stain.
C. Usually have a polymorphous nucleus with 2 lobes.
D. Most are phagocytic leukocytes.
E. May release histaminase to ease the effects in allergic reaction.

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Which of the following statements is true of monocytes?

Account for about 3%-8% of the leukocyte population
B. They are the largest cells in blood
C. Azurophilic granules contain heparin and histamine
D. Have a horseshoe or kidney-shaped nucleus
E. Differentiate into macrophages when leaving out of blood vessels

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Which of the following statements is TRUE of basophils?

A. May be associated with allergic reaction.
B. Contain large, dark blue-staining granules with Wright stain.
C. Specific granules contain heparin and histamine.
D. Nucleus may be not clear because of overlap with granules.
E. Constitute about 3%-8% of the leukocyte population.

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