NHA Phlebotomy Certification Practice Exam

What is the best method to prevent internal or external bleeding from a venipuncture site after the needle is removed?

1. Apply pressure to prevent leakage of blood into the tissues

2. Apply ice pack to the site

3. Wrap the site with a bandage immediately

4. Instruct the patient to keep the arm elevated

The correct answer is: Apply pressure to prevent leakage of blood into the tissues

Applying pressure to the venipuncture site after the needle has been removed is the best method for preventing internal or external bleeding. When pressure is applied, it helps to compress the blood vessels and promotes the formation of a clot, thereby minimizing the likelihood of blood leaking into the tissues or flowing externally from the puncture site. This is especially important immediately after the venipuncture, as it aids in rapid hemostasis—stopping the bleeding effectively. While other methods, such as applying ice, wrapping the site with a bandage, or instructing the patient to keep the arm elevated, might provide some benefits in certain contexts, they do not address the immediate need to control bleeding as effectively as direct pressure does. Ice may help with swelling or discomfort but does not stop blood flow. Bandaging without first applying pressure could allow bleeding to continue under the bandage, and elevation can support venous return but does not exert direct pressure to halt the bleeding process. Thus, applying pressure stands out as the most effective and necessary step right after a venipuncture to prevent complications.