Clinical Chemistry Quiz: Standard Solutions, Centrifuge, Anticoagulants

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Questions and Answers

Which of the following measures the reproducibility of test results?

  • Mean absolute deviation
  • Range
  • Standard deviation
  • Coefficient of variation (correct)

What is the color of the sharps bin used in health care facilities?

  • Green
  • Yellow (correct)
  • Red
  • Blue

Which hormone is released by the thyroid gland to regulate calcium levels?

  • T4 (Thyroxine)
  • Parathyroid hormone (PTH)
  • T3 (Triiodothyronine)
  • Calcitonin (correct)

What is the most common error in blood gas measurement?

<p>Air bubble in the syringe (C)</p> Signup and view all the answers

In electrophoresis, which serum protein fraction is most anodic?

<p>Gamma globulin (C)</p> Signup and view all the answers

What is the preferred anticoagulant for electrolyte testing?

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

In the standing plasma test, what is the creamy layer that is floating at the uppermost surface called?

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

Which drug of abuse is also known as 'angel dust'?

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

What is the transfer pipet used for in clinical chemistry?

<p>Preparing calibrators and QC (D)</p> Signup and view all the answers

According to CLSI, how frequently should controls be run in the clinical chemistry section?

<p>Once a day (B)</p> Signup and view all the answers

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