Equipment and Supplies Flashcards
6 cards from real Certified Phlebotomy Technician Exam practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Equipment and Supplies flashcards as text
Which tube should be collected first when using the correct order of draw with an ETS?
Answer: Blood culture bottles
Blood culture bottles are drawn first to minimize the risk of microbial contamination from skin flora.
What is the function of EDTA in a lavender-top tube?
Answer: Chelates calcium to prevent coagulation
EDTA (ethylenediaminetetraacetic acid) chelates calcium ions, preventing blood from clotting and preserving cell morphology for CBC testing.
A tourniquet should be released within how many minutes after application?
Answer: 1 minute
A tourniquet must be released within 1 minute to prevent hemoconcentration and falsely elevated analyte results.
Which of the following needle disposal containers is OSHA-approved for sharps disposal?
Answer: Puncture-resistant, leak-proof sharps container
OSHA requires puncture-resistant, leak-proof, and properly labeled sharps containers for safe disposal of needles.
What does a green-top tube typically contain?
Answer: Heparin (lithium or sodium)
Green-top tubes contain heparin (lithium or sodium), which inhibits thrombin and is used for plasma chemistry tests.
When a winged collection set (butterfly) is used, what must be done before filling a sodium citrate tube?
Answer: Fill a discard tube first to purge air from the tubing
A discard tube (plain red or another light blue) must fill the dead space in the butterfly tubing to ensure the citrate tube receives the correct blood volume.