15 Questions
Which of the following is NOT a component of whole blood?
Plasma
What is the main function of clotting proteins in the body?
To stop blood loss
What is the difference between plasma and serum?
Plasma contains clotting factors, while serum does not
Which type of blood component is yielded when blood is collected with a clot activator additive?
Serum
What color is the clotting-protein-less serum in a gold-topped tube with a clot activator additive?
Bright yellow
What is the purpose of vacutainers in blood collection?
To provide sterile transportation of blood specimens
Which tube is always drawn first in the Order of Draw to reduce potential contamination during tube changes?
Blood Culture
During the procedure, the tourniquet should not be left on for more than ____ to avoid hemoconcentration.
60 seconds
What is the purpose of lowering your thumb down onto the patient's forearm during the procedure?
To prevent rolling of the vein
What angle should the needle be inserted at during the procedure?
15-30 degrees
What should be done immediately after removing the needle from the patient's arm during the procedure?
Apply pressure on the site
Which of the following information should be labeled on a tube during blood collection?
Patient's Full Name
What should be done if the venipuncture site continues to bleed after applying pressure for a few minutes?
Inform a licensed provider
Where should the needle assembly be disposed of after a blood draw?
Sharps container
What should be done after finishing a blood draw procedure?
Wipe down the area with a disinfectant wipe
Test your knowledge on the proper procedure prior to needle insertion. Learn about re-tying the tourniquet, time limitations, inspecting the needle, and more. Perfect for healthcare professionals and students.
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