Phlebotomy Technician Practice Exam (NCPT/CPT) 2025 - Free Phlebotomy Practice Questions and Study Guide

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What is used for performing a venipuncture to restrict the blood flow so that the vein can be palpated?

Needle

Alcohol swab

Tourniquet

A tourniquet is used for performing a venipuncture to restrict the blood flow so that the vein can be palpated because it applies pressure to the arm, making the vein more prominent and easier to locate. This helps to ensure that the needle is inserted correctly and prevents the patient from feeling discomfort during the procedure. The other options, such as using a needle, alcohol swab, or gloves, are incorrect because they do not serve the same purpose as a tourniquet does in the venipuncture process. A needle is used to puncture the vein, an alcohol swab is used to clean the area, and gloves are worn for safety and hygienic reasons. However, none of these items are used to restrict blood flow and are not essential for locating the vein.

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Gloves

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