Blood Collection Additives and Collection Tubes

Which of the following is an anticoagulant used in blood collection?

• Sodium fluoride

• EDTA

• Silica

• Thixotropic gel

Fill in the blank: The additive found in a lavender colored tube stopper is ________.

• EDTA

• Heparin

• Sodium Citrate

• Potassium Oxalate

The purpose of inverting the tube 8 to 10 times after sample collection is:

• To mix the sample with additives

• To prevent clotting

• To ensure proper mixing of anticoagulant

• All of the above

The purpose of heparin is to:

• act as a pain reliever

• function as an anticoagulant

• serve as an antibiotic

• function as a clot activator

The plasma preparation tube (PPT) is used for:

• collecting and separating plasma from blood samples

• collecting and separating serum from blood samples

• collecting and separating sodium citrate from blood samples

• collecting and separating whole blood from blood samples

Which type of heparin is used for hematocrit determinations?

• Lithium heparin

• Sodium heparin

• Calcium heparin

• Potassium heparin

Which collection tube is used for blood chemistries, serology, immunology and crossmatch?

• Red-top tube

• Blue-top tube

• Green-top tube

• Yellow-top tube

What department uses the green (dark) collection tube?

• Hematology

• Microbiology

• Chemistry

• Immunology

What is the additive in the blue (dark/ Royal) collection tube?

• sodium citrate

• thixotropic gel

• heparin

• potassium oxalate

• EDTA

What type of specimen is used with a light green or gray/green collection tube?

• Plasma

• Whole blood

• Serum