Test Tubes, Additives, and Tests #2

1

100

___ The thixotropic gel separates:
 A. Serum from plasma
 B. Cells from serum or plasma
 C. Additives from blood
 D. Calcium from plasma

 B. Cells from serum or plasma

200

___ Tubes containing clot activators should be inverted:
 A. 2 times
 B. 5 times
 C. 8 times
 D. 10 times

B. 5 times

300

___ The gold-top tube contains:
 A. Clot activator and gel for serum separation
 B. EDTA
 C. Heparin only
 D. Sodium fluoride

A. Clot activator and gel for serum separation

400

___ The light green-top tube contains:
 A. Heparin and gel for plasma separation
 B. Sodium fluoride
 C. SPS
 D. EDTA

 A. Heparin and gel for plasma separation

500

___ The orange-top tube contains:
 A. Thrombin-based clot activator
 B. EDTA
 C. Sodium citrate
 D. Heparin

A. Thrombin-based clot activator

2

100

___ Royal blue tubes may contain:
 A. Clot activator or K₂EDTA
 B. Sodium fluoride
 C. SPS
 D. Heparin only

 A. Clot activator or K₂EDTA

200

___ The white-top tube contains:
 A. K₂EDTA and gel for plasma separation
 B. Sodium fluoride
 C. SPS
 D. Sodium citrate

A. K₂EDTA and gel for plasma separation

300

__ The pink-top tube contains:
 A. Spray-coated K₂EDTA
 B. Sodium citrate
 C. Heparin
 D. SPS

 A. Spray-coated K₂EDTA

400

1. 
   

___ The light blue CTAD tube contains:

 A. Citrate, theophylline, adenosine, dipyridamole

 B. Sodium fluoride

 C. SPS and dextrose

 D. EDTA

 A. Citrate, theophylline, adenosine, dipyridamole

500

___ ACD additive is used for:
 A. Serum chemistry
 B. Blood bank and DNA testing
 C. Toxicology
 D. Coagulation

 B. Blood bank and DNA testing

3

100

1. ___ Which solution is part of ACD Solution A?
    A. Sodium fluoride
    B. Trisodium citrate, citric acid, dextrose
    C. EDTA
    D. Heparin
   
   

 B. Trisodium citrate, citric acid, dextrose

200

___ Which additive binds calcium to prevent clotting?

 A. EDTA

 B. Heparin

 C. Thrombin

 D. Silica

 A. EDTA

300

__ Which additive directly promotes clotting?
 A. EDTA
 B. Sodium citrate
 C. Thrombin
 D. Sodium fluoride

 C. Thrombin

400

___ Inert clot activators like silica and Celite provide:
 A. Surface area for platelet activation
 B. Anticoagulant action
 C. Preservative properties
 D. Serum separation

 A. Surface area for platelet activation

500

___ What should be done to ensure clot activator contact?
 A. Centrifuge immediately
 B. Invert tube five times
 C. Add saline
 D. Store upright

B. Invert tube five times

4

100

___ The lavender-top tube is mainly for which department?
 A. Chemistry
 B. Hematology
 C. Coagulation
 D. Microbiology

B. Hematology

200

__ The order of draw recommends the yellow tube is drawn:
 A. After lavender
 B. First
 C. After blue
 D. Last

 B. First

300

___ The gray-top tube prevents:
 A. Clotting
 B. Glycolysis
 C. Platelet activation
 D. Hemolysis

 B. Glycolysis

400

___ The red-top tube yields:
 A. Plasma
 B. Serum
 C. Whole blood
 D. Buffy coat

 B. Serum

500

___ The heparinized green tube yields:
 A. Serum
 B. Plasma
 C. Whole blood
 D. Clotted sample

 B. Plasma

5

100

___ Which color tube would you use for a PT test?
 A. Yellow
 B. Light blue
 C. Lavender
 D. Gray

B. Light blue

200

__ Which color tube would you use for a CBC?
 A. Lavender
 B. Red
 C. Gold
 D. Green

 A. Lavender

300

___ Which color tube would you use for glucose testing?
 A. Red
 B. Gray
 C. Green
 D. Lavender

B. Gray

400

___ Which color tube is used for trace metal testing like copper or lead?
 A. Royal blue or tan
 B. Gray
 C. Lavender
 D. Green

 A. Royal blue or tan

500

___ Which of the following tubes contains NO additive?

 A. Red (glass)

 B. Blue

 C. Green

 D. Lavender

 A. Red (glass)