Immunogenetics: Blood Group Determination and Serum Extraction
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Questions and Answers

What is the primary cause of lipemic serum?

  • Increase in lipids in the blood (correct)
  • Decrease in white blood cells
  • Increase in proteins in the blood
  • Decrease in red blood cells
  • What can be a result of improper handling during blood collection and processing?

  • Hemolyzed samples (correct)
  • Coagulated blood
  • Separated blood cell pellet
  • Lipemic serum
  • Why is it necessary to re-centrifuge the tube for another minute?

  • To speed up the clotting process
  • To ensure contamination from cellular blood elements
  • To separate plasma from serum
  • To ensure no contamination from cellular blood elements (correct)
  • What is the purpose of covering the tubes with parafilm?

    <p>To prevent contamination</p> Signup and view all the answers

    How long can serum samples be stored in the refrigerator?

    <p>2 to 3 days</p> Signup and view all the answers

    What is the result of intravascular hemolysis?

    <p>Hemolyzed samples</p> Signup and view all the answers

    What is the purpose of centrifugation in serum extraction?

    <p>To separate blood cells from serum</p> Signup and view all the answers

    What should be avoided when transferring serum into a new test tube?

    <p>Disturbing the blood pellet</p> Signup and view all the answers

    What is the primary purpose of blood group determination?

    <p>To determine the blood type</p> Signup and view all the answers

    What is the first step in plasma extraction?

    <p>Sample collection</p> Signup and view all the answers

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