Option A- 250,000/drop
Usually 20 drops forms one ml.
that is 1 drop -------1/20=.05 ml
Normal value of WBC-4500-11000 cells/ microliter .
that is 4500-11000 cells-------------10-3
ml
(4.5-11)*103 cells-----------------10-3
ml
(4.5-11)*106cells-----------------1 ml
that is One ml of blood have a normal range of
(4.5-11)*106cells WBC
so 0.05 ml of Blood
have----------------------(4.5-11)*106*5*10-2=(4.5-11)*104*5
                                                                                                Â
=(22-55)*104
                                                                                                                                 Â
=2,20,000-5,50,000 WBC /Drop
