How many squares are used to count white cells, when the dimensions of the
Neubauer ruling are further divided into 9 smaller squares, with dimensions of
1 mm by 1 mm?
Using the Neubauer ruling for the red cell count, which portion and how many
mms are used?
a. Middle squares; 0 30 mm on a side.
b. Outer 8 squares; 0.15 mm on a side.
10 outer squares; 0 05mm on a side.
d. Central square; 0.20 mm on a side.
When taking a blood cell count, the cover glass must be free of visible
____________________ and optically ____________________ on both sides.
a. Defects; plane.
b. Outer squares; plane.
d. Blood; clean.