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14 Questions around this concept.
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MEDIUMWhich is the most abundant among WBCs of human blood?
Which blood corpuscle is the largest in diameter?
In eosinophils,
Which of the following cells do not exhibit phagocytic activity?
Cells that release histamine and heparin are
Almost 60% of the WBCs are contributed by
The granules are coarse, smaller, and irregular in size and shape, and take up basic stains in
In which of the following kidney-shaped nucleus is found ?
Which of the following statements is correct?
A. Basophils are the most abundant cells of the total WBCs
B. Basophils secrete histamine, serotonin, and heparin
C. Basophils are involved in the inflammatory response
D. Basophils have a kidney-shaped nucleus
E. Basophils are agranulocytes
Choose the correct answer from the options given below:
Eosinophils stain with _________ dyes while basophils stain with ________ dyes.
Concepts Covered - 1
A comparison of types of leukocytes is given below:
|
Neutrophils |
Eosinophils | Basophils | Lymphocytes |
Monocytes |
|---|---|---|---|---|
|
constitute about 60% of WBCs in blood, most abundant WBCs |
2.3% of WBCs are eosinophils | constitute about 0.4% of WBCs | constitute about 30% of WBCs |
constitute about 5.3% of WBCs |
|
Two to five nuclear lobes are found |
The nucleus of eosinophils is bilobed |
Nucleus is three-lobed |
Possess spherical nucleus with scanty peripheral cytoplasm |
A large, single nucleus is found, mostly, kidney-shaped |
|
The cytoplasm contains specific granules, which can take up both acidic and basic stains |
coarse granules that take up acidic stains | Granules are fewer and irregular in size and shape. These granules are coarse and they take up basic stains | Granules are absent in the cytoplasm |
Granules are absent from the cytoplasm |
|
The microscopic policemen of blood |
increase in number during allergic reactions and helminthic infections can engulf antigen-antibody complexes | These can release histamine, heparin etc | Lymphocytes play an important role in immune reactions |
They can engulf bacteria and cellular debris |
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