36.
Sodium citrate is a good anticoagulant for coagulation studies because:
a. A concentration of one part 0.2 M sodium citrate is used to 9 parts of whole
blood.
b. It binds the calcium of the blood into a soluble complex to prevent coagulation.
c.
It combines cellular constituents in the plasma.
d. A concentration of one part 0.1 M sodium citrate is used to 15 parts of whole
blood.
37.
Heparin:
a. Does not alter the size of cellular components.
b. Dissolves more rapidly than double oxalate salts.
c.
Is least expensive.
d. Can be used in excessive amounts.
38.
EDTA ammonium-potassium oxalate, and heparin are commonly used:
a. Stains.
b. Buffers.
c.
Fixatives.
d. Anticoagulants.
39.
What are the two basic methods for the preparation of blood smears?
a. Cover slip and polychromic stains.
b. Slide and acid dye.
c.
Slide and cover slip.
d. Methylene blue and slide.
MD0853
3-32