CAMRT Radiography Practice Exam

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Which vein is most commonly used for an IVP injection?

Femoral vein
Internal jugular vein
Radial vein
Antecubital vein

The correct answer is: Antecubital vein

The antecubital vein is the most commonly used site for intravenous pyelogram (IVP) injections due to its anatomical location and accessibility. This vein, located in the crease of the elbow, is typically larger and more superficial than other veins, making it easier to puncture for the purpose of inserting an intravenous catheter. Additionally, the antecubital vein offers a straight path for the contrast material, which is crucial for imaging clarity during the IVP procedure. The ease of obtaining venous access in this region is a significant factor, especially in emergency or routine imaging settings. Its prominence and stability make it a preferred choice for radiologic procedures requiring intravenous contrast administration.