PHCH 667 EXAM 1 QUESTIONS WITH 100% CORRECT ANSWERS [ GRADED A+]

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.