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 (A)</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 (A)</p> Signup and view all the answers

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

<p>Sputum (A)</p> Signup and view all the answers

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

<p>Serum (B)</p> Signup and view all the answers

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

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

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

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

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

<p>Urine (D)</p> Signup and view all the answers

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