2026-2027 Exams Includes Frequently Tested Questions
With ELABORATED 100% Correct COMPLETE SOLUTIONS
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1. Which of the following statement is NOT true about medically allowable
error? - Correct Answer: It is established by CLIA.
2. Which of the following is an example of random error? - Correct
Answer: An error caused by variations (example: due to a variation in
plunger movement of auto-pipet)
3. Which of the following terms is equivalent to imprecision? - Correct
Answer: random error
4. For 20 replicate measurements of a sample, the mean is 100.0mg/dL, a
standard deviation is 1.0mg/dL. What is the random error? - Correct
Answer: ± 2.0 mg/dL
5. Choose ALL word/description that is equivalent to systematic error -
Correct Answer: Observed error - 2SD, distance between true value and
average, bias, shifted to same amount in all the result
6. How is each analyte's allowable error determined? - Correct Answer:
Either government decision or medically allowable error. We choose stricter
one.
, 7. Why is it important to analyze the pooled material before and after storage
when you are preparing QC material? - Correct Answer: We have to
make sure that the storage method is appropriate for the analyte and it
does not affect the component.
8. Which of following describes a delta check? - Correct Answer: Compare
a patient's test result with the her/his previous test results.
9. Which of following is describing a proficiency test correctly? - Correct
Answer: It is an external quality control.
10.How often does each clinical laboratory have to participate a proficiency
test? - Correct Answer: depends on the policy of accreditation
organization.
11.What can proficiency tests evaluate? Choose all appropriate choice. -
Correct Answer: preanalytical error, the person who performs the test,
postanalytical error, analytical error
12.Identification of parasite eggs and identification of white blood cells in a
picture of what type of test? - Correct Answer: subjective tests
13.Rapid Strep Test for group A streptococcal infection (negative or positive) -
Correct Answer: qualitative