47.
Increasing the proportion of disodium phosphate in the buffer for Wright's stain will
make the buffer more:
a. Red.
b. Blue.
c.
Acid.
d. Alkaline.
48.
What is indicated if when staining the slide the RBCs are bluish or green?
a. The stain is too acidic.
b. The WOC stains very lightly.
c.
An alkaline stain is observed.
d. The film is too thick.
49.
Why should slides be stained quickly after preparation?
a. So buffers will appear unequal.
b. WBC distort and disintegrate quickly.
c.
Lines and ridges will appear.
d. Acid fumes will develop.
50.
Which errors should be avoided when staining slides?
a. Routinely transferring of blood to the slide.
b. Using an unpolished slide.
c.
Using clean, dust free, and smooth slides.
d. Using thin films of blood and placing on slides.
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MD0853
3-35