Phlebotomy Technician Practice Exam (NCPT/CPT)

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Prepare for the Phlebotomy Technician Exam (NCPT/CPT). Study with flashcards and multiple-choice questions, each with hints and explanations. Get ready for your exam!

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Within how many seconds of draw should the Vacutainer blood tube be mixed?

10 seconds
20 seconds
30 seconds
40 seconds

The correct answer is: 30 seconds

After drawing blood into the Vacutainer tube, it is important to mix the blood and anticoagulant additive within the recommended time frame to prevent clotting or hemolysis. According to most guidelines and manufacturers, this recommended time frame is 30 seconds. Therefore, options A, B, and D are incorrect as they are not within the recommended range. Failing to mix the blood within 30 seconds may result in inaccurate test results and potentially lead to misdiagnosis or incorrect treatment.