21.
In the Phosphotungstic/Iron Hematoxylin method, once the optimum smear is
made, the next step is the Schaudinn's solution. What is the most important
concern at this time?
a. Smears should be permitted to dry thoroughly before proceeding.
b. Smears cannot be allowed to stay in the Schaudinn's solution but a few
seconds.
c.
Smears should not be allowed to dry.
d. Fixation is enhanced if smears are refrigerated.
22.
What is the color of the glycogen vacuoles of amebic organisms as observed in
iodine preparations?
a. Colorless.
b. Black.
c.
Blue-green.
d. Mahogany brown.
23.
The advantage of the trichrome staining technique as modified by Gomori and
Wheatley is that:
a. It is a rapid technique.
b. The stain can be left overnight.
c.
Organic matter is eliminated.
d. It also concentrates the specimen.
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MD0841
2-66