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They have different chemicals in them, because some blood tests require the blood be pre-modified.

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Q: Why are different tubes used when taking blood?
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Why different blood collecting tubes are used?

They want to know sepecfic test for what enzyem or hormon and so on.


DO YOU SPEND RED TUBES?

You can send red tubes off to be tested. These tubes are used to collect blood and seamen.


What are gold top tubes used for?

these tubes are used in those tests where serum used. when blood clot, serum is obtained after the centrifugation.


What are green top tubes used for?

green top tubes are used for blood culture and cd4 and cd8 count etc.


What is K2 EDTA?

K2 EDTA are blood collection tubes that are used throughout the medical field. These tubes are designed to inhibit the coagulation of blood.


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 are the tubes of blood draws for?

The tubes used when having blood drawn serve more than one purpose. Obviously, something needs to hold the blood after it is collected. Each tube is a different color, so that different types of tests can be done. Tubes are colored differently to identify the different additives in them, and to also allow an easier time identifying the different departments that they must go to for testing. The tubes in the draw are different colors because they have differerent anticogulates in them, which is basically just a big word for how long it takes the blood to clot. Some tests require a different amount of anticogulates. A plain red tube for example cannot have any anticogulates because that's the tube you draw when your doing a blood type or crossmatch and you can't have anything to interfere with the test. Tubes have to clot before they can be centrifuged (spun down) and after they are centrifuged you can run the test on the blood. So if it is a stat order its best to get a tube with the most anticogulate so you don't have to wait as long for the blood to clot so you can run the test.


What material is used in making tubes used for dialysis and blood transfusion?

Polyvinyl chloride(pvc)


What are ceramic tubes most commonly used for?

Ceramic tubes are most commonly used during the construction of buildings or different appliances within the buildings. For example, ceramic tubes might be used for furnaces.


Why doesn't blood clot in the bottles in Blood banks?

Tubes used for blood bank (Pink and Lavender top) contain a chemical called EDTA that binds the calcium in blood, which is needed for blood to clot. Red or Gold top tubes contain no chemicals to prevent the blood to clot, so the blood will clot with out being exposed to air. Each specific department in the lab have different colored tubes with different chemical/no chemical in them depending on what test has been ordered.


Can menstrual blood be used for blood work?

It depends what kind of blood work they are taking. If they are taking blood for donating they wouldn't allow it and who would want to take that blood. Everyone has a one of a kind type of blood even down there. The blood is kind of "shed" from the uterus and everyone is different. So they could take it for blood work but it depends what kind of blood work.Thank you


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

flouride inhibits an enzyme involved in glycolysis. In order to prevent glycolysis in the drawn blood, tubes containing flouride are used.