What is the first action step to perform after when there is a critical value result?

Repeat the test to verify the critical value

Report the result out immediately

Process the results just as all other results

The "Triage Meter" BNP tests for Brain Natriuretic peptides using which methodology?

High performance Liquid chromatography

What is the specimen requirement for running the Triage D-dimer?

NaCitrate whole blood or plasma

The "Profile-V MedTox Scan Drugs of Abuse" test system uses the following methodology to screen for drugs.

High performance Liquid chromatography

Chemistry And Serology Competency_weeks_2012

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Ylorily

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Questions: 10 | Attempts: 117 | Updated: Jul 22, 2024

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Chemistry And Serology Competency_weeks_2012 - Quiz

This quiz is to access the competency of manual chemistry and serology tests in a small hospital lab.

Questions and Answers

1.

What is the first action step to perform after when there is a critical value result?
- A.
  
  Report the result out immediately
- B.
  
  Repeat the test to verify the critical value
- C.
  
  Call the physician immediately
- D.
  
  Process the results just as all other results
Correct Answer
B. Repeat the test to verify the critical value

Explanation
After obtaining a critical value result, the first action step is to repeat the test to verify the critical value. This is important because critical values are often associated with potentially life-threatening conditions or situations that require immediate attention. By repeating the test, it helps to ensure that the result is accurate and not due to any error or anomaly. It also provides an opportunity to confirm the critical value and take appropriate actions promptly, such as notifying the physician and initiating necessary interventions.

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2.

The "Triage Meter" BNP tests for Brain Natriuretic peptides using which methodology?
- A.
  
  Enzyme Immunoassay
- B.
  
  Fluorescence Immunoassay
- C.
  
  High performance Liquid chromatography
- D.
  
  Immunochromatographic assay
Correct Answer
B. Fluorescence Immunoassay

Explanation
The "Triage Meter" BNP tests for Brain Natriuretic peptides using the Fluorescence Immunoassay methodology. This method involves the use of fluorescent labels to detect and measure the presence of specific antigens or antibodies in a sample. It is a highly sensitive and accurate technique that allows for the quantitative measurement of BNP levels in patient samples.

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3.

What is the specimen requirement for running the Triage D-dimer?
- A.
  
  NaCitrate whole blood or plasma
- B.
  
  EDTA whole blood or plasma
- C.
  
  Serum
Correct Answer
B. EDTA whole blood or plasma

Explanation
The correct answer is EDTA whole blood or plasma. This means that the specimen requirement for running the Triage D-dimer test is either EDTA whole blood or plasma.

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4.

The "Profile-V MedTox Scan Drugs of Abuse" test system uses the following methodology to screen for drugs.
- A.
  
  Enzyme Immunoassay
- B.
  
  Fluorescence Immunoassay
- C.
  
  High performance Liquid chromatography
- D.
  
  Immunochromatographic assay
Correct Answer
D. ImmunochromatograpHic assay

Explanation
The "Profile-V MedTox Scan Drugs of Abuse" test system uses the immunochromatographic assay methodology to screen for drugs. This methodology involves the use of specific antibodies that are immobilized on a membrane. When a sample is applied to the membrane, any drugs present in the sample will bind to the antibodies. The membrane is then washed to remove any unbound substances. Finally, a colored indicator is added, which will bind to any drug-antibody complexes present on the membrane. The presence of a colored line indicates a positive result for that particular drug. This assay is commonly used for rapid and qualitative drug screening.

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5.

A blue line at the corresponding test (T) position on the MedTox test strip indicates a positive test result.
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
The statement says that a blue line at the corresponding test position on the MedTox test strip indicates a positive test result. However, the correct answer is false. This means that a blue line at the corresponding test position does not indicate a positive test result.

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6.

Lipoclear is a substance used to clear grossly lipemic samples of lipids. This is very useful for tests in which lipemia causes interference. Which of the following tests CANNOT be performed after treatment with Lipoclear? Check all that apply.
- A.
  
  BUN
- B.
  
  CHOLESTEROL
- C.
  
  GLUCOSE
- D.
  
  TRIGLYCERIDE
- E.
  
  CREATININE
Correct Answer(s)
B. CHOLESTEROL
D. TRIGLYCERIDE

Explanation
Lipoclear is used to clear lipemic samples, which means it removes lipids from the sample. Lipids can interfere with certain tests, so Lipoclear is helpful in those cases. Cholesterol and triglyceride tests are specifically mentioned as being affected by lipemia, so they cannot be performed after treatment with Lipoclear. The other tests (BUN, glucose, and creatinine) are not mentioned as being affected by lipemia, so they can still be performed after treatment with Lipoclear.

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7.

A grossly hemolyzed serum sample is acceptable for use when testing for HCG with the Sure-Vue Serum/Urine HCG test kit.
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
A grossly hemolyzed serum sample is not acceptable for use when testing for HCG with the Sure-Vue Serum/Urine HCG test kit. Hemolysis refers to the rupture or destruction of red blood cells, which can release substances that may interfere with the accuracy of the test results. Therefore, it is important to use a non-hemolyzed serum sample for HCG testing to ensure reliable and accurate results.

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8.

The following specimens are the specimens of choice for optimal performance when using the BinaxNOW Influenza A & B test. (check all that apply)
- A.
  
  Nasopharyngeal swab
- B.
  
  Stool sample
- C.
  
  Nasal aspirate/wash
- D.
  
  Whole Blood
Correct Answer(s)
A. NasopHaryngeal swab
C. Nasal aspirate/wash

Explanation
The correct answer is Nasopharyngeal swab and Nasal aspirate/wash. These specimens are the specimens of choice for optimal performance when using the BinaxNOW Influenza A & B test. The test is designed to detect the presence of influenza A and B viruses in these specific samples. Stool sample and whole blood are not recommended specimens for this particular test.

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9.

A negative test result using the BinaxNow Influenza A & B test kit does not exclude infection with influenza A and B.
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
The statement is true because a negative test result using the BinaxNow Influenza A & B test kit does not guarantee that a person is not infected with influenza A and B. False negatives can occur due to various reasons such as the sensitivity of the test, timing of the test, or the presence of a different strain of the virus that the test may not detect. Therefore, it is possible for a person to have influenza A or B despite getting a negative result from this particular test.

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10.

The "Sure-Vue RF" latex test is used for the quantitative determination of Rheumatoid factor in serum by agglutination of latex particles on a slide.
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
The explanation for the given answer "False" is that the "Sure-Vue RF" latex test is actually used for the qualitative determination of Rheumatoid factor in serum, not the quantitative determination. It works by detecting the presence or absence of Rheumatoid factor through the agglutination of latex particles on a slide. Therefore, the statement in the question is incorrect.

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Current Version
Jul 22, 2024

Quiz Edited by
ProProfs Editorial Team
Sep 14, 2012

Quiz Created by
Ylorily

Chemistry And Serology Competency_weeks_2012

What is the first action step to perform after when there is a critical value result?

The "Triage Meter" BNP tests for Brain Natriuretic peptides using which methodology?

What is the specimen requirement for running the Triage D-dimer?

The "Profile-V MedTox Scan Drugs of Abuse" test system uses the following methodology to screen for drugs.

A blue line at the corresponding test (T) position on the MedTox test strip indicates a positive test result.

Lipoclear is a substance used to clear grossly lipemic samples of lipids. This is very useful for tests in which lipemia causes interference. Which of the following tests CANNOT be performed after treatment with Lipoclear? Check all that apply.

A grossly hemolyzed serum sample is acceptable for use when testing for HCG with the Sure-Vue Serum/Urine HCG test kit.

The following specimens are the specimens of choice for optimal performance when using the BinaxNOW Influenza A & B test. (check all that apply)

A negative test result using the BinaxNow Influenza A & B test kit does not exclude infection with influenza A and B.

The "Sure-Vue RF" latex test is used for the quantitative determination of Rheumatoid factor in serum by agglutination of latex particles on a slide.