American Medical Technologist (AMT) Practice Exam

Question: 1 / 400

What is the purpose of using a tourniquet during venipuncture?

To prevent bleeding

To locate a vein

The purpose of using a tourniquet during venipuncture is primarily to facilitate the identification and visualization of veins. By applying the tourniquet around the upper arm, blood flow from the arm is restricted, leading to the engorgement of the veins below the tourniquet. This makes the veins more prominent and easier to locate, allowing for a successful venipuncture.

While preventing bleeding, reducing pain, and sanitizing the area are important factors in the overall venipuncture process, they are not the primary function of the tourniquet itself. The tourniquet’s main role is to enhance vein visibility and accessibility, which is crucial for obtaining a good blood sample or administering treatments. Understanding this function is key for anyone performing venipuncture, as it directly influences the success of the procedure.

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To reduce pain

To sanitize the area

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