A laboratory analysis of a patient's blood sample reveals a total WBC count of 6000 /cu.mm. In this sample, 'Cell A' represents the most abundant phagocytic cells, while 'Cell B' represents the cells that secrete histamine, serotonin, and heparin. What would be the approximate absolute number of Cell A and Cell B in the given blood sample?

Step-by-step solution

Total WBC count = 6000 /cu.mm. According to NCERT, neutrophils are the most abundant cells ( 60 - 65 % ) of the total WBCs and are phagocytic in nature. Thus, Cell A is a neutrophil. Number of neutrophils (Cell A) = 60 100 6000 to 65 100 6000 = 3600 - 3900 /cu.mm. Basophils secrete histamine, serotonin, heparin, etc., and constitute 0.5 - 1 % of the total WBCs. Thus, Cell B is a basophil. Number of basophils (Cell B) = 0.5 100 6000 to 1 100 6000 = 30 - 60 /cu.mm. Option 2 incorrectly calculates for monocytes ( 6 -