Phlebotomy Order of Draw

What is the purpose of using different colored Vacutainer tubes in phlebotomy?

• To make the blood look more colorful

• To collect and preserve different types of blood samples for various laboratory tests.

• To confuse the phlebotomist

• To match the patient's outfit

In what order should the following tubes be drawn: red, light blue, green, lavender?

• red, green, light blue, lavender

• lavender, green, light blue, red

• light blue, green, lavender, red

• green, red, light blue, lavender

Explain the importance of following the correct order of draw when collecting multiple tubes of blood.

• Following the correct order of draw only affects the appearance of the blood in the tubes

• The order of draw is not important when collecting blood for testing

• It is important for accurate test results and to prevent cross-contamination of additives between tubes.

• It doesn't matter as long as the tubes are labeled correctly

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

• Increased accuracy of test results

• Decreased risk of patient misdiagnosis

• Reduced chance of cross-contamination

• Potential consequences include cross-contamination of blood samples, inaccurate test results, and patient misdiagnosis.

Which color Vacutainer tube is used for coagulation studies?

• Red

• Green

• Yellow

• Light blue

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

• light blue, red, green, yellow

• red, green, yellow, light blue

• green, red, light blue, yellow

• yellow, light blue, red, green

How does the order of draw in phlebotomy help to prevent sample contamination?

• By using the same needle for multiple tubes

• By mixing the blood samples together

• By not following any specific order

• By ensuring that blood from additives in one tube does not contaminate the next tube.

What can happen if a phlebotomist collects a lavender top tube before a light blue top tube?

• Cross-contamination of additives can occur

• The lavender top tube will be contaminated with the light blue top tube additives

• The light blue top tube will be contaminated with the lavender top tube additives

• The order of draw will not affect the sample quality

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

• To make the process more time-consuming

• To increase the risk of contamination

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

• To save money on supplies

Which Vacutainer tube color is used for complete blood count (CBC) tests?

• red

• yellow

• lavender/purple

• green