Medical Laboratory Technician Exam Medical Laboratory Technician Laboratory Operations and Safety Questions and Answers 3

Question 1

According to CLIA '88 regulations, which proficiency testing performance is required to maintain laboratory certification?

Accepted Answer

Achieve satisfactory scores on at least 80% of graded challenges per testing event

Answer

Pass every single challenge submitted per testing event

Answer

Score above 90% on annual cumulative results only

Answer

Achieve satisfactory scores on 50% of challenges across two consecutive events

Question 2

Which type of personal protective equipment is required when handling specimens with suspected Mycobacterium tuberculosis?

Accepted Answer

N95 respirator

Answer

Standard surgical mask

Answer

Face shield only

Answer

Safety goggles only

Question 3

What is the primary purpose of a laboratory's Chemical Hygiene Plan as required by OSHA?

Accepted Answer

To protect employees from health hazards associated with hazardous chemicals in the laboratory

Answer

To establish proper waste disposal procedures for biological materials

Answer

To outline emergency evacuation routes for laboratory staff

Answer

To define quality control protocols for chemical reagents

Question 4

In laboratory quality management, what does a Levey-Jennings chart primarily monitor?

Accepted Answer

Quality control values over time to detect systematic shifts or trends

Answer

Patient result turnaround times across different shifts

Answer

Instrument calibration frequency and maintenance schedules

Answer

Employee competency assessment scores by quarter

Question 5

What is the correct order for removing personal protective equipment after working in a BSL-2 laboratory?

Accepted Answer

Gloves, gown, eye protection, mask, hand hygiene

Answer

Mask, eye protection, gown, gloves, hand hygiene

Answer

Gown, gloves, mask, eye protection, hand hygiene

Answer

Eye protection, mask, gloves, gown, hand hygiene

Question 6

Which agency is responsible for regulating the transport of diagnostic specimens shipped via public highways in the United States?

Accepted Answer

Department of Transportation (DOT)

Answer

OSHA

Answer

CDC

Answer

EPA