A method for cleaning Wintrobe sedimentation rate tubes, small bore tubes and
pipets, and remaining blood clots in the bore of a pipet is to:
a. Attach a capillary pipet by a rubber hose, to a water type suction pump.
b. Attach the tube to the flat end of the pipet and hold the tube under water.
Draw the blood from the tube as water is drawn in.
d. Ensure the tube is clean by inverting it, remove the residual water by suction,
and allow to dry.
e. All of the above.
None of the above.
What occasional method it used to clean small bore tubes and pipets?
a. Use dilute sodium hypochlorite (household bleach) to remove deposits of
b. Use distilled water.
Insert a small rubber hose.
d. Use a suction tube.
e. Absorbent lens paper and water.
Blood dilution pipets can be washed by:
a. Soaking in calcium chloride.
b. Soaking in ammonia.
Flushing water and acetone through them.
d. Rinsing in distilled water.