C-reactive Protein

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| By Johnson_1234
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Johnson_1234
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Quizzes Created: 8 | Total Attempts: 15,394
Questions: 5 | Attempts: 901

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Protein Quizzes & Trivia

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Questions and Answers
  • 1. 

    Synthesis of CRP by liver is influenced by a component/factor that released by macrophages.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The synthesis of CRP (C-reactive protein) by the liver is indeed influenced by a component or factor that is released by macrophages. Macrophages are immune cells that play a crucial role in the inflammatory response. When there is an infection or tissue damage, macrophages release certain signaling molecules, such as interleukin-6 (IL-6), which can stimulate the liver to produce CRP. CRP is an acute-phase protein that is produced in response to inflammation, and its levels can be used as a marker for various diseases and conditions. Therefore, the statement is true.

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  • 2. 

    CRP is present in healthy human blood.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    CRP (C-reactive protein) is indeed present in healthy human blood. It is an acute-phase protein that is produced by the liver in response to inflammation or infection. The levels of CRP in the blood can increase significantly during acute inflammatory conditions, making it a useful biomarker for diagnosing and monitoring various diseases. Therefore, the statement "CRP is present in healthy human blood" is correct.

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  • 3. 

    The method used by Beckman Coulter LX 20 to measure CRP is

    • A.

      Particle-enchanced immunoturbidimetry (IT) or nephelometry (IN)

    • B.

      Immunofluorescence

    • C.

      Immunochemiluminescene

    • D.

      Radial immunodiffusion (RID)

    Correct Answer
    A. Particle-enchanced immunoturbidimetry (IT) or nephelometry (IN)
    Explanation
    The Beckman Coulter LX 20 uses particle-enhanced immunoturbidimetry (IT) or nephelometry (IN) to measure CRP. This method involves measuring the amount of light scattered by particles in a sample to determine the concentration of CRP. This technique is commonly used in clinical laboratories for its accuracy and reliability in quantifying CRP levels. Immunofluorescence, immunochemiluminescence, and radial immunodiffusion are other methods used in laboratory testing, but they are not the specific methods employed by the Beckman Coulter LX 20 for CRP measurement.

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  • 4. 

    This sample condition will interfere with the CRP measurement by Beckman Coulter LX 20

    • A.

      Haemolysed

    • B.

      Lipaemic

    • C.

      Icteric

    • D.

      High packed cell volume

    Correct Answer
    B. Lipaemic
    Explanation
    Lipaemia refers to the presence of excess lipids or fats in the blood, which can interfere with the measurement of certain substances, including CRP (C-reactive protein). Beckman Coulter LX 20 is a type of laboratory equipment used for measuring various parameters in blood samples. Lipaemic samples can cause inaccuracies in the measurement of CRP, potentially leading to false results. Therefore, the given answer suggests that lipaemia is the sample condition that will interfere with the CRP measurement by Beckman Coulter LX 20.

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  • 5. 

    CRP can be used for these purposes

    • A.

      Screening and monitoring for organic disease (ie. affecting physiology or bodily organ)

    • B.

      Assessment of the activity of inflammatory disease

    • C.

      Used post-operatively to detect wound infections

    • D.

      Management of neonatal septicemia and meningitis or effectiveness of the treatment

    • E.

      All the above

    Correct Answer
    E. All the above
    Explanation
    CRP, or C-reactive protein, can be used for screening and monitoring organic diseases that affect the physiology or bodily organs. It can also be used to assess the activity of inflammatory diseases. Additionally, CRP can be used post-operatively to detect wound infections. It is also helpful in the management of neonatal septicemia and meningitis, as well as determining the effectiveness of the treatment. Therefore, all of the above options are correct uses of CRP.

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