What anticoagulant agent is used most often in the hematology laboratory?
a. 3.2% Sodium citrate in the purple top
b. EDTA in the purple top
c. 3.2% Sodium citrate in the blue top
d. Heparin in the green top
ANS: B
EDTA is the anticoagulant agent of choice for routine hematology testing; it is found in the purple top tube. For routine coagulation testing, 3.2% sodium citrate in the blue top is used, whereas heparin in the green top tube is used for some special tests, primarily in clinical chemistry.
You might also like to view...
How are supply costs recouped?
A. Physician fees are raised to compensate for supply costs. B. The cost for supplies provided from the physician are billed to the patient. C. Supplies are a part of the office visit charge. D. Insurance companies provide supplies to the physician at no cost.
Isopropanol is known also as what consumer product?
a. Whiskey b. Paint thinner c. Window cleaner d. Rubbing alcohol