Biology Sample Quiz
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Questions and Answers

What is the main difference between serum and plasma?

  • Plasma is the liquid that remains after the blood has clotted, while serum is the liquid that remains when clotting is prevented with an anticoagulant.
  • Plasma is the liquid that remains after the blood has clotted, while serum is the liquid that remains with added clotting factors.
  • Plasma is the liquid that remains when clotting is prevented with an anticoagulant, while serum is the liquid that remains after the blood has clotted. (correct)
  • Plasma is the liquid that remains only in the presence of an anticoagulant, while serum is the liquid that remains without any clotting.

    • What types of biological samples are typically collected in a laboratory setting?

  • Breath, sputum, and broncho-alveolar lavage
  • Blood, urine, and stool (correct)
  • Hair, nail clippings, and tissues
  • Saliva, sweat, and tears

    • Which method is used to prevent clotting in plasma?

  • Anticoagulant (correct)
  • Coagulant
  • Thrombolytic agent
  • Clotting factors

    • What can affect the results of laboratory tests on biological samples?

    <p>Sample collection, labeling, processing, storage, and transportation</p> Signup and view all the answers

    What is the purpose of using different types of tubes in blood sample collection?

    <p>To prevent contamination and ensure the stability of the sample</p> Signup and view all the answers

    Which of the following is an example of a biological sample?

    <p>Sputum</p> Signup and view all the answers

    What is the liquid that remains after the blood has clotted?

    <p>Serum</p> Signup and view all the answers

    Which of the following is a type of tube used in blood sample collection?

    <p>EDTA tube</p> Signup and view all the answers

    What can affect the results of laboratory tests on biological samples?

    <p>Sample transportation time</p> Signup and view all the answers

    What is an example of a non-blood biological sample?

    <p>Urine</p> Signup and view all the answers

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