NHA Phlebotomy Order of Draw

What tests are typically performed using the red Vacutainer tube?

• Complete blood count (CBC)

• Serum tests, including chemistry panels and serology

• Coagulation tests

• Blood glucose tests

What is the consequence of using a tube out of order in the draw sequence?

• It can lead to inaccurate test results and potential misdiagnosis.

• It ensures accurate test results and proper diagnosis.

• It has no effect on the test results.

• It speeds up the testing process.

What is the recommended order of draw for blood collection tubes?

• Red, yellow, green, light blue

• Light blue, red, green, yellow

• Yellow, green, light blue, red

• Green, light blue, red, yellow

What is the correct order of draw for the following tubes: yellow, light blue, red, green?

• light blue, red, green, yellow

• yellow, light blue, red, green

• red, green, yellow, light blue

• green, yellow, light blue, red

How does cross-contamination occur during blood collection?

• Cross-contamination occurs when blood samples are not labeled correctly.

• Cross-contamination can occur when additives from one tube mix with the blood sample in another tube due to incorrect order of draw.

• Cross-contamination happens when blood is drawn from multiple sites without cleaning the area.

• Cross-contamination occurs when blood samples are stored at incorrect temperatures.

What is the purpose of the yellow Vacutainer tube?

• It is used for blood cultures and contains sodium polyanethol sulfonate (SPS) as an additive.

• It is used for coagulation tests and contains citrate as an additive.

• It is used for glucose testing and contains fluoride as an additive.

• It is used for serum tests and contains no additives.

Why is it important to educate phlebotomists about the order of draw?

• It helps ensure they understand the importance of accurate blood collection techniques for reliable test results.

• It allows them to perform blood draws faster without errors.

• It is a requirement for certification and licensing only.

• It helps them to interact better with patients during the procedure.

What are the potential consequences of not following the correct order of draw?

• Cross-contamination of blood samples

• Increased patient comfort during blood draw

• Faster processing of blood samples

• Reduced risk of misdiagnosis

What is the role of the light blue tube in the order of draw?

• It is used for blood cultures and contains a nutrient broth.

• It is used for coagulation tests and contains sodium citrate as an additive.

• It is used for serum tests and contains no additives.

• It is used for glucose testing and contains fluoride as an additive.

Why is it important to use the correct order of draw when collecting blood for multiple tests?

• To prevent cross-contamination and ensure accurate test results.

• To speed up the blood collection process.

• To minimize the amount of blood drawn from the patient.

• To reduce the risk of infection during the procedure.