Understanding the Hemocytometer

What is the primary function of the hemocytometer?

• To separate blood components

• To estimate the cell population in a sample

• To measure the thickness of glass

• To mix chemical solutions

What is the depth of the counting chambers in a hemocytometer?

• 0.1 millimeters

• 0.2 millimeters

• 0.5 millimeters

• 0.05 millimeters

How many smaller squares are in each of the four corner squares of the counting grid?

• 25

• 9

• 16

• 4

Which part of the counting grid is used for counting red blood cells?

• The central small square

• The entire grid

• The smallest squares

• The four corner squares

What is the purpose of the red bead in the RBC pipette?

• To count the number of cells

• To help mix the blood sample

• To indicate the pipette is for WBCs

• To measure the depth of the chamber