CPT (Certified Phlebotomy Technician) Practice Exam

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What is the most common site for venipuncture?

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Anticubital fossa

The most common site for venipuncture is the antecubital fossa. This area is located at the bend of the elbow and is preferred for several reasons.

Firstly, the veins in the antecubital fossa, particularly the median cubital vein, are typically larger and closer to the surface of the skin, making them easier to locate and access for blood draw. These veins also have less movement compared to those in the hands and wrists, which can result in a more stable site for drawing blood.

Additionally, the antecubital fossa is centrally located, allowing for a direct route to the heart, which can be significant in terms of blood flow and minimizing the risk of hematoma or complications during the procedure. This site is often more comfortable for patients and can be visually assessed easily, making it the preferred location for phlebotomists.

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