In the four large corner squares of a hemocytometer, 95, 102, 105, and 98 white cells were counted from a 1:20 dilution. Select the correct interpretation for the white blood count calculated from these values

a. Normal for infant and elevated for an adult
b. Normal for any patient
c. Elevated for any patient
d. Normal for an infant and decreased for an adult


ANS: A
The cell count is [(95 + 102 + 105 + 98) ´ 20)/(4 mm2 ´ 0.1 mm)] = 20.0 ´ 103/mL = 20.0 ´ 109/L. This count is elevated for an adult but normal for a newborn.

Health Professions

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The marriage of sports and the media is held together by vast amounts of corporate money and the desire of corporate executives to

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