Which of the following blood collection systems uses interchangeable multi-sample tubes that allow a phlebotomist to draw several blood specimens at the same time?

Rationale

Evacuation system uses interchangeable multi-sample tubes that allow a phlebotomist to draw several blood specimens at the same time.

The evacuation system is designed to facilitate the collection of multiple blood samples using vacuum-sealed tubes that can be easily exchanged during a single venipuncture, streamlining the blood collection process.

A (Evacuation system) CORRECT

This system utilizes vacuum-sealed tubes that can be easily interchanged, allowing for the collection of multiple blood specimens without needing to re-puncture the vein. The design enhances efficiency and minimizes discomfort for the patient by allowing several samples to be drawn in one go.

B (Hypodermic and syringe system) YOUR ANSWER

This method involves using a syringe to manually draw blood, which requires switching syringes for each sample. It is not designed for interchangeable tubes, making it less efficient for collecting multiple specimens simultaneously.

C (Winged infusion and syringe system) YOUR ANSWER

Also known as a butterfly needle system, this technique is primarily used for accessing small veins. While it can be used to draw blood, it does not utilize interchangeable multi-sample tubes, limiting its efficiency compared to the evacuation system.

D (Lancet microcollection system) YOUR ANSWER

This system is intended for capillary blood collection, often used for fingerstick tests. It is not suitable for drawing multiple blood specimens at once, as it is designed for single-use and small volume collections.

Conclusion

The evacuation system uniquely allows phlebotomists to collect multiple blood specimens efficiently using interchangeable vacuum tubes, enhancing patient comfort and procedural efficiency. In contrast, the other systems—hypodermic and syringe, winged infusion, and lancet microcollection—are primarily suited for single sample collections or specific situations, limiting their effectiveness in multi-sample blood draws.

Which of the following blood collection systems uses interchangeable multi-sample tubes that allow a phlebotomist to draw several blood specimens at the same time?

Evacuation system uses interchangeable multi-sample tubes that allow a phlebotomist to draw several blood specimens at the same time.

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