DIAGNOSTICS|FINAL SPRING EXAMINATION
(2025/2026) Biochemical Analysis, Genetic Testing and
Advanced Laboratory Diagnostics
Comprehensive Laboratory Science Competency Assessment
By definition, accuracy is:
a. arithmetic average of values
b. closeness to the true value
c. closeness to each other
d. difference between high & low values
b. closeness to the true value
By definition, precision is:
a. closeness to the true value
b. arithmetic average of values
c. closeness of values to each other
d. difference between high & low values
c. closeness of values to each other
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, The definition of the mean is:
A. high value minus low value
B. arithmetic average of the values
C. closeness to the true value
D. closeness of values to each other
B. arithmetic average of the values
The SD limits used to determine whether results are valid and reportable is/are:
A. +/- 1 SD
B. +/- 2 SD
C. +/- 3 SD
D. 5% SD
B. +/- 2 SD
A shift is defined as:
A. at least 6 values all occurring on the same side of the mean
B. values evenly distributed on both sides of the mean
C. six successive values moving further away from the mean
D. 10 values deviating from the mean with no consistent pattern
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