6-2 Blood Collection and Processing

Front

What is the purpose of the lavender stopper in blood collection?

Back

The lavender stopper is used for collecting blood samples that require EDTA as an anticoagulant.

Front

Which anticoagulant is associated with the green stopper?

Back

The green stopper is associated with lithium heparin.

Front

What does a red stopper indicate in blood collection?

Back

A red stopper indicates that the tube has no additive, meaning it is used for serum collection.

Front

What is the function of the red/gray (tiger) stopper?

Back

The red/gray (tiger) stopper is used for blood collection with polymer gel/silica activator, allowing for serum separation.

Front

What type of blood collection tube uses sodium citrate as an additive?

Back

The light blue stopper is used for blood collection tubes that contain sodium citrate.

Front

What is the significance of the gray stopper in blood collection?

Back

The gray stopper is typically used for glucose testing and contains sodium fluoride as an additive.

Front

What is the role of anticoagulants in blood collection?

Back

Anticoagulants prevent blood from clotting, allowing for accurate laboratory analysis of blood components.

Front

How does the choice of stopper color affect laboratory results?

Back

Different stopper colors indicate different additives, which can affect the type of tests performed and the accuracy of results.

Front

What is the purpose of using a royal blue stopper in blood collection?

Back

The royal blue stopper is used for trace element testing and may contain no additive or specific anticoagulants.

Front

Why is it important to match the correct stopper color with the intended test?

Back

Matching the correct stopper color ensures that the appropriate additive is used, which is crucial for accurate test results.