Section 1.8
Hematology Problem Solving

A manual WBC count is performed. Eighty WBCs are counted in the four large corner squares of a Neubauer hemacytometer. The dilution is 1:100.
What is the total WBC count?

4.0 × 10⁹/L 8.0 × 10⁹/L 20.0 × 10⁹/L 200.0 × 10⁹/L