NHA Phlebotomy Certification Practice Exam

What is considered the most economical and safest method for performing routine venipuncture?

1. Plastic syringes

2. Glass syringes

3. Butterflies

4. Evacuated tubes

The correct answer is: Evacuated tubes

The most economical and safest method for performing routine venipuncture is the use of evacuated tubes. This method involves pre-attached vacuum-sealed containers that automatically draw the required amount of blood when the needle punctures the tube. This system minimizes the risk of exposure to blood and reduces the chance of hemolysis or contamination during the collection process. Using evacuated tubes promotes efficiency, as multiple tubes can be filled in quick succession without needing to change the needle or syringe, thereby reducing the time spent on each patient. The vacuum system eliminates the need for manual suction or pushing, which enhances safety and ease of use for healthcare professionals. Moreover, evacuated tubes are designed to minimize the risk of needle-stick injuries during the collection process. Other methods, such as plastic syringes, glass syringes, or butterfly needles, may not provide the same ease of use or safety profile. While plastic and glass syringes can be used for various blood draws, they typically require more manual handling, which increases the risk of contamination and exposure. Butterflies, though useful for certain patients, may not be as cost-effective for routine venipuncture as they are generally designed for smaller veins and specific applications.