Practice Quiz

Veterinary Technician

Category - Lab Procedures

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When preparing serum for serum chemistry testing, blood samples should be collected in a red top or serum separator tube and centrifuged at what speed and for how long?
  1. 220 rpm for 20 min
  2. 2,200 rpm for 10 min
  3. 22,000 rpm for 15 min
  4. 620 rpm for 30 min
Explanation
Answer: B - When preparing serum for serum chemistry testing, blood samples should be collected in a red top or serum separator tube and centrifuged at 2,200 rpm for 10 minutes. Incorrect speeds or prolonged centrifugation can cause damage to the sample, which may interfere with the test results.
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