1) What is the first tube to draw? a) Plain tube  b) EDTA tube c) Blood cultures 2) Why blood collection tubes must be drawn in a specific order? a) To avoid blood hemolysis  b) To avoid cross-contamination of additives between tubes c) To avoid having lipemic sample 3) After drawing blood you should ...... a) never shake the tubes  b) mix the tubes by inverting  c) leave the tubes on the bench 

Phlebotomy

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