Venipuncture technique, specimen handling, and safety concepts tested on phlebotomy certification exams.
36 cards · basic cards · AI-written, checked twice. Edit anything.
- What angle should the needle be inserted at during standard venipuncture?
- 15 to 30 degrees
- In the standard order of draw, which tube type is collected first?
- Blood culture tubes
- Why does the order of draw matter?
- To prevent cross-contamination of additives between tubes
- Which tube type is drawn immediately after blood culture tubes in the order of draw?
- Light blue top (sodium citrate) tubes
- What anticoagulant is inside a light blue top tube?
- Sodium citrate
- What lab tests are commonly run from a light blue top tube?
- Coagulation studies such as PT and PTT
- What anticoagulant is inside a lavender top tube?
- EDTA
- What lab test is commonly run from a lavender top tube?
- Complete blood count (CBC)
- What anticoagulant is inside a green top tube?
- Heparin
- What is a green top tube commonly used for?
- Stat plasma chemistry testing
- What additive is inside a gray top tube?
- Sodium fluoride and potassium oxalate
- What test is a gray top tube most commonly used for?
- Glucose testing
- What is a red top tube (no additive) typically used for?
- Serum tests
- What is the maximum recommended time a tourniquet should stay on the arm?
- 1 minute
- What needle gauge range is typically used for routine adult venipuncture?
- 21 to 23 gauge