MLPAO - Medical Laboratory Professionals Association of Ontario Laboratory Safety and Quality Questions and Answers 2

Question 1

According to CMLTO standards, which class of fire extinguisher is appropriate for electrical equipment fires in a medical laboratory?

Accepted Answer

Class C

Answer

Class C extinguishers are designed for electrical fires and use non-conductive agents, making them safe for use on energized electrical equipment found in laboratories.

Question 2

A medical laboratory technologist receives a specimen with a label discrepancy. What is the most appropriate first action?

Accepted Answer

Contact the requesting clinician or unit to clarify and relabel

Answer

Specimen label discrepancies must be resolved before processing. Contacting the source for clarification and proper relabeling ensures patient safety and result integrity.

Question 3

What is the purpose of a biological safety cabinet (BSC) Class II Type A2 in a medical laboratory?

Accepted Answer

Protection of personnel, product, and environment from biohazardous aerosols

Answer

A Class II Type A2 BSC provides triple protection: personnel protection, product protection, and environmental protection by recirculating and exhausting HEPA-filtered air.

Question 4

In a proficiency testing program, a laboratory's result falls outside the acceptable performance criteria. According to quality management principles, what is the required response?

Accepted Answer

Investigate root cause, implement corrective action, and document findings

Answer

Unacceptable proficiency testing results require formal root cause analysis, corrective action, and documentation as part of a quality management system.

Question 5

Which of the following is an example of a pre-analytical error in laboratory quality?

Accepted Answer

Hemolysis due to improper venipuncture technique

Answer

Pre-analytical errors occur before specimen analysis, including specimen collection issues such as hemolysis from poor venipuncture technique.

MLPAO - Medical Laboratory Professionals Association of Ontario Practice Test

MLPAO - Medical Laboratory Professionals Association of Ontario Practice Test

MLPAO - Medical Laboratory Professionals Association of Ontario Laboratory Safety and Quality Questions and Answers 2