Practice Quiz

Phlebotomy Technician

Category - Puncture & Draws

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Phil the New Phlebotomy Tech is collecting blood from a heel stick in a heparinized capillary tube. After collecting the blood, Phil uses a filled tube to fill the circle printed on the collection paper, a special filter paper. What (if anything) did Phil do wrong?
  1. Phil did not do anything wrong.
  2. Phil contaminated the collection paper.
  3. Phil used heparinized blood on the collection paper.
  4. Phil caused tissue fluid to leach into the blood sample.
Explanation
Answer: A - Using blood from a heparinized capillary tube to fill the collection paper is permissible as long as care is taken not to scratch or bend the surface of the paper. The anticoagulative effects from the heparin-coated walls of the capillary tube should not interfere with the test results. The printed circles on the sample cards should be filled completely and not layered with several drops of blood. Sample cards can be used to collect blood directly from a heel stick, without using a capillary tube.
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