BLD 313 Exam 2 Comprehensive Resource To Help You Ace
2026-2027 Exams Includes Frequently Tested Questions
With ELABORATED 100% Correct COMPLETE SOLUTIONS
Guaranteed Pass First Attempt!! Current Update!!
1. What is an example of a random error? - Correct Answer: An error caused by
variations (i.e. due to variation in plunger movement of auto-pipette)
2. What term is equivalent to imprecision? - Correct Answer: Random error
3. 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
4. Word descriptions equivalent to systematic error - Correct Answer: Bias, observed
error - 2SD, shifted to the same amount in all the results, distance between the true
value and average value
5. How is each analyte's allowable error determined? - Correct Answer: Either
government decision or medically allowable error, we choose the stricter one
6. 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
7. Which of following describes a delta check? - Correct Answer: Compare a patient's
test result with the her/his previous test results
, 8. What is describing a proficiency test correctly? - Correct Answer: It is an external
quality control
9. How often does each clinical laboratory have to participate a proficiency test? -
Correct Answer: Depends on the policy of accreditation organization
10. What can proficiency tests evaluate? - Correct Answer: Preanalytical error, the
person who performs the test, analytical error, postanalytical error
11. Subjective evaluation - Correct Answer: Identification of something from a
picture/microscope
12. It seems like a good idea to participate as many proficiency tests as possible. But many
laboratories participate minimum requirements. Why? - Correct Answer: It is very
expensive to participate a proficiency test
13. Qualitative evaluation - Correct Answer: Positive or negative results
14. You received a box of specimens for proficiency tests. The instruction says "specimen
storage temperature = 4 °C" but it was very warm (almost body temperature = 37 °C).
What should you do now? - Correct Answer: Contact the organization who sent the
specimen and ask to send new box
15. Which of following is an appropriate way to run a proficiency test specimen? -
Correct Answer: Run same way as a patient specimen
16. Your lab failed amylase activity test three times in a row. The accreditation organization
disqualified your lab to perform test until problem will be solved. What will happen to
2026-2027 Exams Includes Frequently Tested Questions
With ELABORATED 100% Correct COMPLETE SOLUTIONS
Guaranteed Pass First Attempt!! Current Update!!
1. What is an example of a random error? - Correct Answer: An error caused by
variations (i.e. due to variation in plunger movement of auto-pipette)
2. What term is equivalent to imprecision? - Correct Answer: Random error
3. 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
4. Word descriptions equivalent to systematic error - Correct Answer: Bias, observed
error - 2SD, shifted to the same amount in all the results, distance between the true
value and average value
5. How is each analyte's allowable error determined? - Correct Answer: Either
government decision or medically allowable error, we choose the stricter one
6. 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
7. Which of following describes a delta check? - Correct Answer: Compare a patient's
test result with the her/his previous test results
, 8. What is describing a proficiency test correctly? - Correct Answer: It is an external
quality control
9. How often does each clinical laboratory have to participate a proficiency test? -
Correct Answer: Depends on the policy of accreditation organization
10. What can proficiency tests evaluate? - Correct Answer: Preanalytical error, the
person who performs the test, analytical error, postanalytical error
11. Subjective evaluation - Correct Answer: Identification of something from a
picture/microscope
12. It seems like a good idea to participate as many proficiency tests as possible. But many
laboratories participate minimum requirements. Why? - Correct Answer: It is very
expensive to participate a proficiency test
13. Qualitative evaluation - Correct Answer: Positive or negative results
14. You received a box of specimens for proficiency tests. The instruction says "specimen
storage temperature = 4 °C" but it was very warm (almost body temperature = 37 °C).
What should you do now? - Correct Answer: Contact the organization who sent the
specimen and ask to send new box
15. Which of following is an appropriate way to run a proficiency test specimen? -
Correct Answer: Run same way as a patient specimen
16. Your lab failed amylase activity test three times in a row. The accreditation organization
disqualified your lab to perform test until problem will be solved. What will happen to
