On a standard reticulocyte preparation with new methylene blue,100 of 1000 total cells that are counted contain blue-stained granulofilamentous material.The red blood count is 3.22 x 10¹²/L,and the hematocrit is 30%.Calculate the reticulocyte count as a percentage.
A)0.1%
B)1.0%
C)10.0%
D)100.0%

Question

Quizplus · Accepted Answer

A total of 1000 red cells plus reticulocytes are always counted (and thus 1000 is the denominator when performing a reticulocyte count).The reticulocyte count (%)= (100/1000) x 100 = 10%.

On a Standard Reticulocyte Preparation with New Methylene Blue,100 of 1000