PHCH 667 EXAM 1 QUESTIONS WITH 100%
CORRECT ANSWERS [ GRADED A+]
Why study clinical chemistry? - ✔✔-monitor drug interactions
-home use tests
-genetics/likelihood of getting disease
-confirm diagnosis
Why are statistics used in clinical chemistry? - ✔✔"draws lines in the
sand" for patient specimen, control specimen, analytical test calibrators
©morren2024/2025.Year published 2024.
,What are some examples of how statistics are used in clinical
chemistry? - ✔✔qualitative and quantitative tests
reference ranges
What is Standard Deviation and how do you calculate it? - ✔✔square
root of the variance
*SD measures precision
What is the 68-95-99% rule? - ✔✔1 SD contains 68% of data
2 SD contains 95% of data
3 SD contains 99% of data
©morren2024/2025.Year published 2024.
, What are T-Tests used for? - ✔✔Determines if two gaussian data values
are the same or different
What is the most commonly used acceptable level of significance used
in clinical chemistry? - ✔✔p=0.05
What is a reference range? - ✔✔range where 95% of the "healthy"
individuals are within
What is specificity and how is it measured? - ✔✔true negative rate of
test (correctly identifies those who do not have a disease)
TN/(FP + TN)
©morren2024/2025.Year published 2024.
CORRECT ANSWERS [ GRADED A+]
Why study clinical chemistry? - ✔✔-monitor drug interactions
-home use tests
-genetics/likelihood of getting disease
-confirm diagnosis
Why are statistics used in clinical chemistry? - ✔✔"draws lines in the
sand" for patient specimen, control specimen, analytical test calibrators
©morren2024/2025.Year published 2024.
,What are some examples of how statistics are used in clinical
chemistry? - ✔✔qualitative and quantitative tests
reference ranges
What is Standard Deviation and how do you calculate it? - ✔✔square
root of the variance
*SD measures precision
What is the 68-95-99% rule? - ✔✔1 SD contains 68% of data
2 SD contains 95% of data
3 SD contains 99% of data
©morren2024/2025.Year published 2024.
, What are T-Tests used for? - ✔✔Determines if two gaussian data values
are the same or different
What is the most commonly used acceptable level of significance used
in clinical chemistry? - ✔✔p=0.05
What is a reference range? - ✔✔range where 95% of the "healthy"
individuals are within
What is specificity and how is it measured? - ✔✔true negative rate of
test (correctly identifies those who do not have a disease)
TN/(FP + TN)
©morren2024/2025.Year published 2024.
