Practice Quiz

Phlebotomy Technician

Category - Procedures & Tubes

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Phil the New-Phlebotomy Tech is collecting blood for a blood glucose level and PT, PTT. What color tubes should Phil choose, and in which order should he choose them?
  1. Red top only
  2. Light blue top, then light gray top
  3. Lavender top, then light blue top
  4. Light gray top, then light blue top
Explanation
Answer: B - Phil should choose a light blue top for the PT and PTT, followed by a light gray top for the glucose level. Blood collection tubes are color- coded, indicating what sort of additive the tube may contain. The light blue top contains sodium citrate, which will not interfere with the glucose level.
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