serum
Medical term Phlebotomy
The liquid left after blood clots; plasma without clotting factors.
Sources
Free practice questions that use serum
- Phlebotomy, question 1A reference laboratory's directory lists a test as "serum, frozen." The medical assistant has a centrifuged gold tube. What is the best…
Related terms
- plasmaThe liquid part of blood, mostly water, that carries blood cells and dissolved substances.
- lipemiaExcess fat (lipid) in a blood sample, which can cause erroneous test results.
- median cubital veinThe superficial vein in the antecubital area linking the cephalic and basilic veins; a frequent venipuncture…
- order of drawThe CLSI sequence for filling blood tubes so additives do not carry over: blood cultures, light blue…
- phlebotomyThe practice of drawing blood from a vein, usually for laboratory testing.
- serum separator tubeA gold or red-gray (tiger top) tube with clot activator and a gel that separates serum from cells during…
- sodium citrateThe anticoagulant in light blue tubes, used for coagulation tests such as PT/INR; the tube must be filled to…
- tourniquetA band tied around the arm to slow venous blood flow so veins are easier to find and puncture.
- vasovagal reactionA reaction with pallor, sweating, dizziness, nausea and sometimes fainting, which can occur during blood…