Medical Laboratory Technician Laboratory Operations and Safety Questions and Answers Flashcards
6 cards from real Medical Laboratory Technician Exam practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
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According to CLIA '88 regulations, which proficiency testing performance is required to maintain laboratory certification?
Answer: Achieve satisfactory scores on at least 80% of graded challenges per testing event
CLIA '88 requires laboratories to achieve satisfactory results on at least 80% of graded challenges per proficiency testing event to maintain their certification.
Which type of personal protective equipment is required when handling specimens with suspected Mycobacterium tuberculosis?
Answer: N95 respirator
An N95 respirator is required when handling suspected M. tuberculosis specimens because the organism is transmitted via airborne droplets nuclei smaller than 5 microns.
What is the primary purpose of a laboratory's Chemical Hygiene Plan as required by OSHA?
Answer: To protect employees from health hazards associated with hazardous chemicals in the laboratory
The Chemical Hygiene Plan, mandated by OSHA's Laboratory Standard (29 CFR 1910.1450), is designed to protect laboratory employees from the health hazards of working with hazardous chemicals.
In laboratory quality management, what does a Levey-Jennings chart primarily monitor?
Answer: Quality control values over time to detect systematic shifts or trends
A Levey-Jennings chart plots QC values over time against established mean and standard deviation limits to detect shifts, trends, and out-of-control conditions.
What is the correct order for removing personal protective equipment after working in a BSL-2 laboratory?
Answer: Gloves, gown, eye protection, mask, hand hygiene
The CDC-recommended doffing sequence is gloves first (most contaminated), then gown, eye protection, mask, followed by immediate hand hygiene to minimize self-contamination risk.
Which agency is responsible for regulating the transport of diagnostic specimens shipped via public highways in the United States?
Answer: Department of Transportation (DOT)
The DOT regulates the packaging, labeling, and transport of hazardous materials including diagnostic specimens shipped on public roads under 49 CFR.