QBRS Practice Questions - ASCP Qualification In Biorepository Science Exam

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A technician needs to isolate peripheral blood mononuclear cells (PBMCs) from a fresh whole blood sample. Which method is the standard of practice?

Ficoll-Paque density gradient centrifugation Red cell lysis with ammonium chloride only Centrifugation in an SST tube at 1500 x g Filtration through a 0.22 micron membrane

Correct Answer:

Ficoll-Paque density gradient centrifugation

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