AACC AACC Laboratory Management & Operations 2

Question 1

Which of the following best describes a 'delta check' in laboratory quality management?

Accepted Answer

A comparison of a patient's current result with their previous result to flag unusual changes

Answer

Delta checks compare a patient's current result to prior results to identify clinically implausible changes that may indicate specimen labeling or collection errors.

Question 2

A laboratory is evaluating a new glucose analyzer. Which statistical measure is used to assess the agreement between the new method and the reference method?

Accepted Answer

Passing-Bablok regression

Answer

Passing-Bablok regression is a non-parametric statistical method used during method comparison to assess systematic and proportional bias between two methods.

Question 3

What is the purpose of a proficiency testing (PT) program in a clinical laboratory?

Accepted Answer

To assess a laboratory's performance by testing unknown samples alongside peer laboratories

Answer

PT programs send unknown samples to laboratories so that results can be compared against peers, serving as an external quality assessment tool required by CLIA.

Question 4

According to OSHA Bloodborne Pathogens Standard, which type of container must be used to dispose of sharps in a clinical laboratory?

Accepted Answer

Puncture-resistant sharps container

Answer

OSHA requires that contaminated sharps be placed immediately in puncture-resistant, leak-proof, labeled sharps containers to prevent needlestick injuries.

Question 5

Which laboratory management principle involves tracking supplies from receipt to use and disposal to prevent stockouts and reduce waste?

Accepted Answer

Inventory management

Answer

Inventory management ensures adequate supply availability, controls costs, and prevents expiration of reagents and consumables in the laboratory.

AACC - American Association for Clinical Chemistry Certification Practice Test

AACC - American Association for Clinical Chemistry Certification Practice Test

AACC AACC Laboratory Management & Operations 2