CalRegional Phlebotomy Practice Test

Which statement accurately describes syringe versus vacuum collection methods?

Vacuum collection uses a syringe to draw blood into a collection syringe and then transfer to tubes.

Vacuum collection uses evacuated tubes with negative pressure; syringe method uses a syringe to draw blood into a collection syringe and then transfer to tubes; both require proper technique and safety.

Two main blood collection approaches differ in how the blood gets into the tubes. In the vacuum (evacuated-tube) method, tubes are pre-evacuated to create negative pressure, so when the needle is inserted, blood is drawn directly into the tube without using a separate syringe or a transfer step. In the syringe method, a sterile syringe is used to aspirate blood into a collection syringe, and then the blood is transferred into one or more evacuated tubes. That extra transfer step is what distinguishes it from the vacuum method.

Both approaches require proper technique and safety practices, including correct needle handling, avoiding contamination, following tube inversion and labeling guidelines, and using appropriate personal protective equipment. The statement also correctly notes that safety is essential in both methods.

Why the other options aren’t as accurate: stating that vacuum collection uses a syringe to draw into a collection syringe describes the syringe method, not vacuum collection; claiming no transfer is required in all vacuum collection cases ignores the planning and safety steps involved in real-world collection and blends concepts; and asserting that no safety practices are needed is simply incorrect.

Vacuum collection uses evacuated tubes with no transfer required.

Both methods require no safety practices.