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RODAKS HEMATOLOGY Exam Questions and Answers 100% Pass 16. You require your laboratory staff to annually perform manual lupus anticoagulant profiles on a set of plasmas with known values. This exercise is known as: a. Assay validation b. Proficiency testing c. External quality assessment d. P...

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  • October 9, 2024
  • 58
  • 2024/2025
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©JOSHCLAY 2024/2025 YEAR PUBLISHED, 2024.
RODAKS HEMATOLOGY Exam

Questions and Answers 100% Pass


16. You require your laboratory staff to annually perform manual lupus

anticoagulant profiles on a set of plasmas with known values. This exercise

is known as:

a. Assay validation b. Proficiency testing c. External quality assessment d.

Pre-pre-analytical variable assay - ✔✔b. Proficiency testing

15. When performing a receiver operating curve analysis, what

parameter assesses the overall efficacy of an assay

a. Area under the curve b. Performance limit (threshold) c. Positive

predictive value d. Negative predictive value - ✔✔a. Area under the

curve

14. Review of laboratory report integrity is an example of: a. Preanalytical

quality assurance

b. Analytical quality control c. Postanalytical quality assurance d. External

quality assurance - ✔✔c. Postanalytical quality assurance

13. Regular review of blood specimen collection quality is an example of:

,©JOSHCLAY 2024/2025 YEAR PUBLISHED, 2024.
a. Postanalytical quality assurance b. Preanalytical quality assurance c.

Analytical quality control d. External quality assurance - ✔✔b.

Preanalytical quality assurance

12. What agency provides continuing medical laboratory education?

a. Colorado Association for Continuing Medical Laboratory Education

(CACMLE)

b. Clinical Laboratory Improvement Advisory Committee (CLIAC)

c. Centers for Medicare and Medicaid Services (CMS) d. College of

American Pathologists (CAP) - ✔✔a. Colorado Association for

Continuing Medical Laboratory Education (CACMLE)

11. What agency provides external quality assurance (proficiency) surveys

and laboratory accreditation? a. Clinical Laboratory Improvement Advisory

Committee (CLIAC)

b. Centers for Medicare and Medicaid Services (CMS) c. College of

American Pathologists (CAP)

d. Joint Commission - ✔✔c. College of American Pathologists (CAP

10. You perform a clinical efficacy test and get the following results:

Unaffected by

Disease or Condition

Affected by Disease or Condition

,©JOSHCLAY 2024/2025 YEAR PUBLISHED, 2024.
Assay is negative

40

Affected by Disease or Condition

Assay os negative

5



Unaffected by

Disease or Condition

Assay is positive

10



Affected by Disease or Condition

Assay is positive

45

What is the number of false-negative results? a. 40

b. 10

c. 5 d. 45 - ✔✔c. 5

9. You purchase a preserved whole blood specimen from a distributor who

provides the mean values for several complete blood count analytes. What

is this specimen called? a. Normal specimenb. Calibrator

, ©JOSHCLAY 2024/2025 YEAR PUBLISHED, 2024.
c. Control

d. Blank - ✔✔c. Control

a . Confirming linearity b . Setting the reference interval 8. A laboratory

scientist measures prothrombin time for plasma aliquots from 15 healthy

males and 15 healthy females . She computes the mean and 95.5 %

confidence interval and notes that they duplicate the manufacturer's

statistics within 5 % . This procedure is known as : c . Determining the

therapeutic range d . Establishing the reference interval by transference -

✔✔d . Establishing the reference interval by transference

7. The laboratory purchases reagents from a manufacturer and develops

an assay using standard references . What FDA category is this assay ? a .

Cleared b . Home - brew c . Research use only d . Analyte - specific

reagent - ✔✔d . Analyte - specific reagent

6. The ability of an assay to distinguish the targeted analyte from interfering

substances within the specimen matrix is called : a . Analytical specificity b

. Analytical sensitivity c . Clinical specificity d . Clinical sensitivity - ✔✔a .

Analytical specificity

5. A WBC count control has a mean value of 6000 / mL and a standard

deviation of 300 / mL . What is the 95.5 % confidence interval ? a . 3000 to

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