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Question
What is the primary purpose of centrifuging a blood specimen collected in a serum separator tube (SST)?
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Answer
A.To mix the specimen's additive more thoroughly
B.To add preservative chemicals to the specimen
C.To warm the specimen for faster testing
D.To separate serum/plasma from cellular components by spinning at a specified speed and time
Centrifuging separates serum/plasma from cellular components using specified speed (RPM/RCF) and time settings; it does not warm specimens, add preservatives, or serve as an additive-mixing step (which is done by inversion before centrifugation, not during).