Practice Quiz

Phlebotomy Technician

Category - Procedures & Tubes

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Which of the following is the correct order of draws for plastic additive tubes?
  1. Light blue, green, lavender, and gray.
  2. Red-gray or striped, green, green- gray or light green, lavender, gray.
  3. Yellow, light blue, red, red-gray or striped, green, green-gray or light green, lavender, gray.
  4. Hang on while I check my “Order of the draw” card.
Explanation
Answer: B - Red-gray or striped, green, green- gray or light green, lavender, and gray reflects the correct order of draws, for plastic additive tubes. Additive tubes contain different kinds of additives, needed for specific lab tests. Collection tubes have different colored tops to indicate what sort of additive is inside. Drawing blood in the specific order must be followed to avoid cross-contamination of additives and possibly resulting in inaccurate results.
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