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CLT Exam 1 Questions And Answers With Verified Solutions | Latest Update 2025
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CLT Exam 1 Questions And Answers With Verified Solutions | Latest Update 2025
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CLT Exam 1 Questions And Answers WithVerified Solutions | Latest Update 2025
Which of the following statements is true? - ANSWER At minimum two levels
of control should be tested daily for each test run in the laboratory.
When comparing an instrument to its peer group, which statistic provides the
most useful information regrind its ACCURACY - ANSWER SDI- standard
deviation index
When comparing an instrument to its peer group, which statistic provides the
most useful description of OVERALL IMPRECISION - ANSWER CVR
2(2s) - ANSWER Detects systematic error
1(3s) - ANSWER Detects rondom error
If the light source on an instrument is gradually weakening, it could contribute to
what type of error? - ANSWER Systematic error
If you change reagent on the instrument and your control results demonstrates a
sudden and consistent increase in value, this phenomena is - ANSWER A shift
in performance due to systematic error
If one of two control values within a single test run is between 2s and 3s on the
positive side, you should - ANSWER Accept the run if no error can be detected
, Dilution - ANSWER Decrease concentration by adding water/solvent
Solute - ANSWER Substance being dissolved
Solvent - ANSWER The substance in which the solute dissolves in
Ratio - ANSWER Comparison of solute to solvent
Example of ratios to dilutions (3/27) - ANSWER Dilution- 1/9
Dilution factor- 9
Serum needed to make dilution- 1
Saline needed to make dilution- 8
Tube dilution - ANSWER Dilution ratio in that tube alone
Solution dilution - ANSWER Actual concentration of the solvent in each tube
(dependent on the previous dilutions)
Final concentration - ANSWER The solution dilution of the last tube
%w/w - ANSWER (Unit weights of solute = grams of solute) / (100 ml of
solution = 1dL of solution)
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