How many times should the reservoir be squeezed and with what pressure to raise
the capillary bore and force the diluent up into, but not out of, the overflow
chamber using the Unopette system?
a. 4 to 6; hard.
b. 3 to 5; even.
2 to 3; gentle.
d. 1 to 6; steady.
Using the Unopette System, after the blood is thoroughly mixed with the diluent
and left to stand for 10 minutes, the red cells will:
b. Settle out.
What are the outer dimensions of the Neubauer ruling?
a. 0.20 by 0.20 mm.
b. 0.25 by 0.25 mm.
1 by 1 mm.
d. 3 by 3 mm.
What configuration does the most common type of hemacytometer look like for
counting blood cells?
a. Two counting chambers separated by grooves or canals.
b. Three counting chambers separated by grooves or canals.
d. Four counting chambers that are not separated.