NHA Phlebotomy Certification Practice Exam

What is the standard needle insertion angle for drawing blood in the antecubital area?

1. 10-20 degree angle

2. 15-30 degree angle

3. 30-45 degree angle

4. 45-60 degree angle

The correct answer is: 15-30 degree angle

The standard needle insertion angle for drawing blood in the antecubital area is typically between 15 and 30 degrees. This angle is optimal because it allows for effective access to the veins located in this area while minimizing discomfort for the patient. When approaching the antecubital vein, this angle facilitates the needle's entry into the vein rather than piercing through it or missing it entirely. If the angle were too shallow (like 10-20 degrees), the needle might not penetrate the vein effectively. Conversely, if the angle were too steep (such as 30-45 degrees or higher), it could increase the risk of complications, including the likelihood of passing through the vein and causing unnecessary pain or trauma to the patient. Therefore, adhering to the recommended angle of 15 to 30 degrees enhances the likelihood of a successful venipuncture and promotes patient comfort during the procedure.