Crucial Exams

AAMA CMA Practice Question

While preparing a serum specimen from a red-top clot tube, which of the following actions is most likely to lead to hemolysis and compromise the integrity of the serum sample during centrifugation?

  • Balancing the tube with another tube of equal volume opposite it in the rotor.

  • Allowing the blood to clot for 30 minutes before centrifugation.

  • Spinning the sample for longer than the manufacturer-recommended time at a higher g-force.

  • Centrifuging the tube at 1 300-2 000 × g for 10 minutes as recommended.

AAMA CMA
Clinical Competency
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