Question

when performing a routine venipuncture using a butterfly or winged infusion set, the cpct should always draw the red (nonadditive) tube prior to the _______________ tube to maintain the correct order of draw. green heparin grey sodium fluoride lavender (purple) edta blue sodium citrate

Explanation:

In phlebotomy, the correct order - of - draw is crucial to prevent sample contamination and ensure accurate test results. The red (non - additive) tube is drawn first, followed by the blue sodium citrate tube. This is because the blue tube contains an anticoagulant and drawing it after non - additive tubes helps avoid carry - over of additives to other tubes.

Answer:

Blue Sodium citrate