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tube top

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
        Help!  

Color
Additive
Mode of Action
Uses
Red Top   None   Blood clots, and the serum is seperated by centrifugation   Chemistries, Immunology and Serology, Blood Bank (Crossmatch)  
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Purple Top   EDTA   Forms calcium salts to remove calcium   Hematolgy (CBC) and Blood Bank (crossmatch); requires full-draw -invert 8 times to prevent clotting and platelet clumping  
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Light Blue Top   Sodium Citrate   Forms calcium salts to remove calcium   Coagulation tests (protime and prothrombin time), full draw required  
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Green Top   Sodium heparin or lithium heparin   Inactivates thrombin and thromboplastin   For lithium level, use sodium heparin. For ammonia level, use sodium or lithium heparin  
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Dark Blue Top   EDTA   Tube is designed to contain no contaminating metals   Trace elements testing (zinc, copper, lead, mercury) and toxicology  
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Black Top   Sodium citrate (buffered)   Forms calcium salts to remove calcium   Westergren Sedimentation Rate; requires full draw  
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Yellow-Black   Broth mixture   Preserves viability of microorganisms   Microbiology- aerobes, anaerobes, fungi  
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Pink Top   Potassium EDTA   forms calcium salts   Molecular/viral load testing  
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Light Green Top   Plasma Seperating Tube (PST) with Lithium heparin   Anticoagulates with lithium heparin; Plasma is separated with PST gel at the bottom of the tube   Chemistries  
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Orange Top   thrombin   quickly clots blood   STAT serum chemistries  
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Light Gray Top   Sodium flouride and potassium oxalate   Antiglycolytic agent preserves glucose up to 5 days   Glucoses, requires full draw (may cause hemolysis if short draw)  
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Yellow   ACD (acid-citrate-dextrose)   complement inactivation   HLA tissue typing, paternity testing, DNA studies  
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Gold Top   None   Serum seperator tube (SST) contains a gel at the bottom to seperate blood from serum on centrifugation   Chemestries, Immunology and Serology  
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Light Brown Top   Sodium Heparin   Inactivates thrombin and thromboplastin; contains virtually no lead   Serum lead determination  
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Created by: andrea646234
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