Why do you need to take many small samples when taking a bloodtest? Why can’t they just take one and use small amounts from there?
In: Other
As blood sits in the tube, more specifically, blood cells sit with serum/plasma, chemical reactions are still occurring. As a result, some chemicals we are testing for may be reduced or increased depending on the specific test. For all tests and instruments there are specific ranges of time which the blood can be used for that specific test before it has been in the tube too long to match the levels in the body.
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