NHA Certified Phlebotomy Technician (CPT)Patient PreparationMedium
A phlebotomy technician is preparing to draw blood from a patient's hand. Which of the following actions is MOST important to ensure proper site selection and patient comfort?
- AAnchor the vein firmly below the collection site.
- BChoose the most prominent vein on the dorsal side of the hand.
- CUse a large-gauge needle to ensure quick collection.
- DApply the tourniquet tightly around the wrist.
Show answer & explanationAnswer & explanation
Correct answer: A. Anchor the vein firmly below the collection site.
Veins in the hand tend to roll more easily due to less surrounding tissue support. Firmly anchoring the vein prevents it from moving during needle insertion, reducing pain and improving success.
Why the other options are wrong
- B. While choosing a prominent vein is good, the most important action for hand draws is anchoring due to vein mobility.
- C. Hand veins are often smaller and more fragile, requiring a smaller gauge needle (e.g., 23-gauge butterfly) for patient comfort and to prevent vein damage.
- D. Applying the tourniquet too tightly can cause discomfort and hemoconcentration; it should be proximal to the site, usually above the wrist for hand draws, and tight enough to impede venous flow.
Hand Vein Venipuncture
Venipuncture performed on the dorsal side of the hand, often as an alternative site, requiring extra care due to smaller, more fragile, and more mobile veins.
- Veins tend to roll easily.
- Requires firm anchoring.
- Smaller gauge needles (e.g., butterfly) are often preferred.
Memory trick: Hand veins are tricky, so anchor them quick-y!