NHA Phlebotomy Certification Practice Exam

Which vein is typically the first choice for venipuncture?

1. Median cubital vein

2. Cephalic vein

3. Basilic vein

4. Accessory cephalic vein

The correct answer is: Median cubital vein

The median cubital vein is typically the first choice for venipuncture because of its ideal location and characteristics. It is prominently positioned in the antecubital fossa, which makes it easily accessible and visible for drawing blood. Furthermore, this vein generally has a larger lumen than other veins, allowing for a quicker and easier collection of blood. It also tends to be less mobile than the cephalic and basilic veins, reducing the risk of complications during the procedure. In terms of proximity to major arteries and nerves, selecting the median cubital vein minimizes the risk of hitting these structures, making it a safer option. This vein's tendency to remain intact even in individuals with less than optimal venous access further solidifies its preference among phlebotomists. Other veins mentioned, such as the cephalic and basilic, do have their own uses, but they present unique challenges or risks. The cephalic vein is located more laterally, which may complicate access for some patients, and the basilic vein is located near important structures such as the brachial artery and median nerve, which increases the potential for complications if not approached carefully. The accessory cephalic vein, while useful in certain situations, is