On a standard reticulocyte preparation with new methylene blue, 100 cells are counted containing blue-stained granulofilamentous material. The red blood count is 3.22 x 1012/L, and the hematocrit is 30%. Calculate the MCV
a. 80 fL
b. 93 fL
c. 98 fL
d. 108 fL
ANS: B
The MCV = 30/3.22 x 10 = 93 fL.
Health Professions
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