Additives

What color tube contains the additive sodium polyanetholesulfonate (SPS) in an ACD solution?

• Yellow

• Blue

• Red

• Green

The royal blue tube may contain which of the following?

• EDTA

• sodium heparin

• no additive

• all of the above

The additive sodium citrate is found in which colored tube?

• red

• lavender

• blue

• green

Sodium citrate prevents coagulation by:

• inhibiting thrombin

• inhibiting glycolic action

• binding calcium

• none of the above

All of the following are drawn in a blue tube EXCEPT:

• CBC

• PT

• PTT

• Fibrinogen

Sodium heparin is found in which colored tube?

• blue

• light green

• dark green

• lavender

Green tubes are routinely used for which type of testing?

• coagulation studies

• hematology studies

• toxicology studies

• chemistry studies

Blood cultures and sterile specimen are collected in which colored tube?

• light green

• blue

• yellow

• red

It is recommended to draw 2 to 3 ml of blood in a tube without additives before drawing this tube:

• red

• light green

• yellow

• blue

Although it is not required, thixotropic gel may be added in or near the bottom of this colored tube:

• red

• blue

• dark green

• yellow