If a blood sample is collected into an evacuated tube without an additive, the blood will clot naturally because there is no anticoagulant present to prevent clotting. This can lead to inaccurate test results as the clot formation may interfere with various analyses requiring liquid blood.
To obtain serum from a blood sample, the blood sample needs to be collected in a tube without anticoagulant and then allowed to clot. After clotting, the blood sample is centrifuged to separate the serum from the clot and other blood components. The resulting liquid, which is the serum, can then be collected for analysis or storage.
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It is the same number without the negative sign.
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Glycerin Monostirate is an additive to many foods as well as other products. It is used as an additive to bread to keep bread fresher longer without becoming stale.
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The fact that 0 is the additive identity.
The additive in red-gray or red-black speckled collection tubes is typically a clot activator and gel separator. These additives help to separate the blood sample from the serum after centrifugation, allowing for easier testing of the serum without interference from clots or cells.
An SST (serum separator tube) contains a gel barrier that separates blood cells from serum when the tube is centrifuged. The gel allows for easier extraction of serum for laboratory testing without contaminating it with blood cells.
The fact that 8 + 0 = 8 demonstrates the additive identity property of 0. The number 0 can be added to any quantity without altering the value of that quantity. This is because 0 is the additive IDENTITY.
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