🩸 Equipment Basics
What system is the most frequently used blood collection method?
➡️ Evacuated Tube System (ETS)
True or False: The smaller the gauge number, the smaller the needle diameter.
➡️ False
What additive is in lavender-top tubes?
➡️ EDTA
Why is order of draw important?
➡️ Prevents additive carryover and inaccurate results
Another name for a winged blood collection set is a _______.
➡️ Butterfly
What item is used to safely transfer blood from a syringe to tubes?
➡️ Blood transfer device
What law requires safety-engineered needles?
➡️ Needlestick Prevention and Safety Act
What tube is used for coagulation studies?
➡️ Light blue (sodium citrate)
Which specimen is always collected first?
➡️ Blood cultures
Winged sets are commonly used for what type of veins?
➡️ Small or fragile veins
What size gauze pad is standard for venipuncture?
➡️ 2 × 2 inch gauze
Name two safety features found on needles.
➡️ Safety shields, blunting devices
Which tube is used for glucose testing?
➡️ Gray
Which tube is drawn last according to CLSI?
➡️ Gray
What type of flow does a tourniquet restrict?
➡️ Venous (not arterial)
What item must be labeled with “BIOHAZARD”?
➡️ Sharps container
What should you NEVER do with a needle after use?
➡️ Recap it
Which tube contains sodium fluoride AND potassium oxalate?
➡️ Gray
Which additive can falsely increase coagulation results if transferred?
➡️ EDTA
What is one downside of using a butterfly regarding tube volume?
➡️ Tubing volume may affect fill
What is the primary antiseptic for venipuncture?
➡️ 70% isopropyl alcohol
What antiseptic is used for blood cultures?
➡️ Iodine or chlorhexidine
Using expired tubes can cause ______ draws and ______ specimens.
➡️ Short, clotted
Name one thing quality control ensures.
➡️ Sterility / proper function / accurate results
Teams race to write the correct CLSI order of draw on the board
➡️ Blood cultures → Light blue → Serum → Heparin → EDTA → Gray → Yellow (ACD)