Chapter 1 Flashcards
Light Blue
Sodium citrate
Coagulation (clotting) studies
Must be completely filled
Must be inverted immediately after filling
Green
Sodium or lithium heparin
For tests requiring whole blood or plasma such as ammonia
Must be gently inverted after filling, not shaken!
Purple or violet
EDTA (ethylenediaminetetraacetic acid) to prevent clotting
Hematology studies & blood typing tests
Should be completely filled
Must be gently inverted after filling, not shaken!
Red
No additives
Blood bank tests, toxicology, serology and blood chemistries tests
Must not be inverted after filing
Gray
Inhibitor for glycolysis + anticoagulant
Sodium Fluoride + potassium oxalate
Glucose levels & legal alcohol
Must be gently inverted after filling, not shaking!
Yellow
Acid citrate dextrose
Inactivates complements
DNA studies, paternity testing
Must be gently inverted after filling, not shaken!
Royal blue
Heparin or Na EDTA anticoagulants
Tube is designed to contain no
contaminating metals
Trace element and toxicology studies
Must be gently inverted after filling, not shaken!
Black
westergren ESR ( Erythrocyte Sedimentation Rate)
Anticoagulant
Work under the influence of gravity
Changes in red cell shapes or number & in inflammation
SST
No anticoagulant
Contains clot activator
Contains silicon gel
Used in medical clinical chemistry tests
requiring blood serum
Which gauge needle is the most used?
21 or 22
What can the needle be attached to?
1) syringe
2) plastic holder connected to evacuated tube
What gauge is used for butterfly needles?
21, 23, Or 25
What is a tourniquet
A tourniquet is a device that is used to apply pressure to a limb or extremity in order to stop the flow of blood.
How to tie tourniquet?
Quick release tie
Can I leave tourniquet on for five minutes?
No. Maximum 1-2 minutes
