13. Regular review of blood specimen collection quality b. Preanalytical quality assurance
is an example of:
a. Postanalytical quality assurance b. Preanalytical
quality assurance c. Analytical quality control d.
External quality assurance
12. What agency provides continuing medical a. Colorado Association for Continuing Medical Laboratory Education
laboratory education? (CACMLE)
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)
11. What agency provides external quality assurance c. College of American Pathologists (CAP
(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
10. You perform a clinical efficacy test and get the c. 5
following results:
Unaffected by
Disease or Condition
Affected by Disease or Condition
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
9. You purchase a preserved whole blood specimen c. Control
from a distributor who provides the mean values for
several complete blood count analytes. What is this
specimen called? a. Normal specimenb. Calibrator
c. Control
d. Blank
, RODAKS HEMATOLOGY EXAM
a . Confirming linearity b . Setting the reference interval d . Establishing the reference interval by transference
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
7. The laboratory purchases reagents from a d . Analyte - specific reagent
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
6. The ability of an assay to distinguish the targeted a . Analytical specificity
analyte from interfering substances within the specimen
matrix is called : a . Analytical specificity b . Analytical
sensitivity c . Clinical specificity d . Clinical sensitivity
5. A WBC count control has a mean value of 6000 / mL b . 5400 to 6600 / mL
and a standard deviation of 300 / mL . What is the 95.5
% confidence interval ? a . 3000 to 9000 / mL b . 5400
to 6600 / mL c . 5500 to 6500 / mL d . 5700 to 6300 /
mL
4. The acceptable hemoglobin control value range is 13 b . Precise but not accurate
6 0.4 g / dL . The control is assayed five times and
produces the following five results : 12.0 g / dL 12.3 g /
dL 12.0 g / dL 12.2 g / dL 12.1 g dL These results are : a .
Accurate but not precise b . Precise but not accurate c .
Both accurate and precise d . Neither accurate nor
precise
3. Which is a statistical test comparing means ? a . Bland b . Student's t - test
Altman b . Student's t test c ANOVA d . Pearson
Standard precautions apply to all of the following d Concentrated acids
except
a . Blood b. Cerebrospinal fluid c Semen d
Concentrated
, RODAKS HEMATOLOGY EXAM
2. The most important practice in preventing the spread b Proper hand washing
of disease is
a Wearing masks during patient contact b . Proper hand
washing c Wearing disposable laboratory coats d
Identifying specimens from known or suspected HIV
and HBV infected patients with a red label
3. The appropriate dilution of bleach to be used in c 1:10
laboratory disinfection is :
a.1 : 2 b . 1 : 5 c. 1:10 d 1 100
4. How frequently should fire alarms and sprinkler c . Quarterly
systems be tested
a . Weekly b . Monthly c . Quarterly d . Annually
5. Where should alcohol and other flammable a . In an approved safety can or storage cabinet away from heat sources
chemicals be stored ?
a . In an approved safety can or storage cabinet away
from heat sources b Under a hood and arranged
alphabetically for ease of identification in an
emergency c In a refrigerator at 28 C to 88 C to reduce
volatilization d . On a low shelf in an area protected
from light
6. The most frequent cause of needle punctures is : b . Improper disposal of phlebotomy equipment
a . Patient movement during venipuncture b . Improper
disposal of phlebotomy equipment c . Inattention
during removal of needle after venipuncture d . Failure
to attach needle firmly to syringe or tube holder
7. Under which of the following circumstances would a c. A pregnant laboratory employee has asked whether she needs to be
SDS be helpful? concerned about working with a given reagent
a. A phlebotomist has experienced a needle puncture
with a clean needle.
b. A fire extinguisher failed during routine testing. c. A
pregnant laboratory employee has asked whether she
needs to be concerned about working with a given
reagent
d. During a safety inspection, an aged microscope
power supply is found to have a frayed power cord