A) neutrophils and eosinophils
B) lymphocytes and macrophages
C) eosinophils and lymphocytes
D) neutrophils and monocytes
Correct Answer: D
Solution :
Neurrophils and monocytes are phagocytic white blood cells. Monocytes are largest of all leucocytes and generally change into macrophages after entering tissue spaces. Neutrophils are most numerous of all leucocytes, and have many lobed nucleus. Eosinophils are granular white blood cells. Their number increases in people with allergic conditions such as asthma or hay fever. They are non-phagocytic and seem to play pan in immune system. Lymphocytes are non-motile and non-phagocytic in nature. They produce antibodies to destroy microbes. These are found as B and T-lymphocytes. T-lymphocytes either directly attack the antigens or stimulate B-lymphocytes to produce antibodies.
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