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Why do you use fluoride tubes to collect blood samples for glucose estimation in the laboratory?

Fluoride tubes contain sodium fluoride, which acts as a glycolysis inhibitor to prevent the breakdown of glucose in the blood sample. This ensures that the glucose level remains stable until the sample can be analyzed in the laboratory, providing accurate results for glucose estimation.


What color stopper does not need to be mixed after collection?

A grey stopper does not need to be mixed after collection. Grey stoppers are typically used on tubes containing sodium fluoride or potassium oxalate for glucose testing, as these additives prevent glycolysis without the need for immediate mixing.


What form of blood collection uses a grey top tube?

Glucose studies use gray top tubes. The additive in grey tubes prevent glycolysis. Lactic acid test also uses a gray top.


What color tubes are used for cytogenetic studies?

In cytogenetic studies, specimens are typically collected in heparinized green top tubes or sodium heparin yellow top tubes to prevent clotting. The color of the tubes indicates the type of anticoagulant used to preserve the specimen for cytogenetic analysis.


What is the proper order of draw for a syringe method?

The proper order of draw for a syringe method is: Blood culture tubes Coagulation tubes Serum tubes Heparin tubes EDTA tubes Glycolysis inhibitor tubes


Glass particle in serum seperator tubes?

The specimen is usually the glass particle in the serum separator tubes.


What color tubes have serim in them?

The Red/Gray color tubes have serum in the serum separating tubes.


What color tubes have serim in it?

The Red/Gray color tubes usually have serum in them.


What color vacutainer tubes would you use for hematology testing?

Lavender-top tubes (containing EDTA as an anticoagulant) are generally used for hematology testing to prevent coagulation and preserve cell morphology.


What color coded test tubes are used in centrifuge?

Different laboratories may use different color codes for test tubes depending on their specific protocols. However, a common color coding for test tubes used in centrifuges is as follows: red for serum tubes, lavender for EDTA tubes, green for heparin tubes, and blue for citrate tubes.


What color of tubes for fasting glucose?

The tubes used for fasting glucose is the SST tubes. The tubes are clear in color. The stoppers for the tubes are gold and red gray in color. The tubes contain a gel inside for separating the blood.


What color tube is used for ptt testing?

Light blue tubes are used for PTT (partial thromboplastin time) testing. These tubes contain sodium citrate as an anticoagulant, which helps prevent blood from clotting during the test.