9TH EDITION
• AUTHOR(S)MARY LOUISE
TURGEON
TEST BANK
Reference: Ch. 1 — Clinical Laboratory Science — Clinical
Laboratory Overview
Stem: A 250-bed hospital plans to consolidate chemistry testing
to a single core laboratory using a high-throughput
spectrophotometric analyzer. During planning, the lab director
receives vendor claims of automated reagent lot traceability
and remote calibration logging. Which laboratory managerial
task best ensures regulatory compliance and result traceability
after installation?
A. Accept vendor remote logs as sufficient documentation and
rely on vendor audit reports.
B. Require on-site validation, implement internal calibration
,records, and include vendor logs in the instrument SOP.
C. Delay local verification until proficiency testing (PT)
demonstrates acceptable performance.
D. Use daily patient split-sample comparisons only and omit
additional calibration documentation.
Correct Answer: B
Rationale (Correct): On-site validation and maintaining internal
calibration records plus integrating vendor logs into the SOP
provide direct evidence of verification and traceability required
by regulation and accreditation; this satisfies QA and inspection
needs.
Rationale (A): Vendor audit reports alone do not substitute
laboratory responsibility for verification and documentation
under regulatory standards.
Rationale (C): PT is periodic and does not replace initial on-site
method verification prior to clinical reporting.
Rationale (D): Patient split-samples are useful but insufficient
for regulatory traceability and documented verification.
Teaching Point: Laboratories must perform independent on-site
verification and maintain local calibration and traceability
records.
Citation: Turgeon, M. L. (9th ed.). Clinical Laboratory Science.
Ch. 1.
2
,Reference: Ch. 1 — Clinical Laboratory Science — CLIA
complexity & test categorization
Stem: A point-of-care glucose meter will be used in a clinic
offering waived tests. The device manufacturer lists it as CLIA-
waived when used per instructions, but the clinic will instead
use an alternative venous whole-blood protocol not in the IFU.
What is the laboratory's CLIA classification and immediate
regulatory implication?
A. Waived — no change; staff training per manufacturer is
optional.
B. Moderate complexity — the lab must meet CLIA moderate-
complexity requirements including personnel qualifications and
QC.
C. Waived — but the lab should notify state inspectors monthly.
D. Provider-performed microscopy (PPM) — different rules
apply.
Correct Answer: B
Rationale (Correct): Using the device outside its cleared
instructions changes test complexity; it becomes a nonwaived
(likely moderate) test, requiring compliance with CLIA
moderate-complexity regulations including personnel
qualifications, method validation, and QC.
Rationale (A): Waived status applies only when used exactly per
the cleared instructions.
Rationale (C): There is no monthly notification requirement that
substitutes for meeting the appropriate CLIA complexity.
Rationale (D): PPM is a specific category for microscopy;
, glucose testing is not PPM.
Teaching Point: Test complexity is defined by intended use and
IFU — deviating changes CLIA requirements.
Citation: Turgeon, M. L. (9th ed.). Clinical Laboratory Science.
Ch. 1.
3
Reference: Ch. 1 — Clinical Laboratory Science — Laboratory
accreditation bodies & inspections
Stem: During a scheduled on-site inspection by the accrediting
organization, the inspector requests instrument maintenance
logs for the immunoassay analyzer used for hormone testing.
The lab provides electronic logs that show a gap of two weeks
with no entries while instrument uptime continued. What
immediate action should the lab take to prepare for corrective
documentation?
A. Create retrospective entries summarizing likely maintenance
activities for the missing period.
B. Produce vendor service records, preventive maintenance
worksheets, and staff shift notes explaining downtime or lack of
maintenance.
C. Claim the instrument uses self-maintenance and therefore no
entries are required.
D. Remove the analyzer from the testing roster but do not
provide additional documentation.
Correct Answer: B