Question 1
A biorepository is collecting whole blood for downstream genomic DNA extraction from buffy coat. Which anticoagulant tube is the BEST choice?
Correct Answer:
Lavender-top EDTA tube
Question 2
What is the maximum acceptable warm ischemia time generally recommended by ISBER Best Practices for solid tumor tissue intended for high-quality RNA analysis?
Correct Answer:
Less than 30 minutes
Question 3
A technician needs to isolate peripheral blood mononuclear cells (PBMCs) from a fresh whole blood sample. Which method is the standard of practice?
Correct Answer:
Ficoll-Paque density gradient centrifugation
Question 4
Which statement BEST distinguishes serum from plasma?
Correct Answer:
Serum lacks fibrinogen and clotting factors; plasma contains them
Question 5
A surgical tissue specimen is excised at 09:00 and arrives at the biorepository at 10:30 on wet ice. It is snap-frozen in liquid nitrogen at 10:35. What is the cold ischemia time?
Correct Answer:
1 hour 30 minutes
Question 1
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About this Exam

Prepare with the QBRS Practice Questions - ASCP Qualification in Biorepository Science Exam practice quiz. This question bank includes 100 questions covering biorepository, storage, blood, specimen, and tissue. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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QBRS Practice Questions - ASCP Qualification in Biorepository Science Exam

This practice set contains 100 questions from the matching question bank and focuses on biorepository, storage, blood, specimen, and tissue. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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