Medical Laboratory Technician Exam Medical Laboratory Technician Laboratory Operations and Safety Questions and Answers 2

Question 1

Which OSHA standard specifically addresses occupational exposure to bloodborne pathogens in clinical laboratories?

Accepted Answer

29 CFR 1910.1030

Answer

29 CFR 1910.1200

Answer

29 CFR 1910.134

Answer

29 CFR 1910.1450

Question 2

What is the minimum retention time for Safety Data Sheets (SDS) after a chemical is no longer used in the laboratory?

Accepted Answer

30 years

Answer

10 years

Answer

5 years

Answer

1 year

Question 3

A mercury thermometer breaks on the laboratory bench. What is the correct first response?

Accepted Answer

Evacuate the immediate area and use a mercury spill kit

Answer

Wipe it up with paper towels and discard in regular trash

Answer

Vacuum the mercury with a standard vacuum cleaner

Answer

Pour water over the spill to prevent evaporation

Question 4

In a clinical laboratory, which class of biological safety cabinet is required when working with agents treated with volatile toxic chemicals?

Accepted Answer

Class II, Type B2

Answer

Class II, Type A2

Answer

Class I

Answer

Class III

Question 5

Which fire extinguisher class is appropriate for an electrical equipment fire in the chemistry analyzer area?

Accepted Answer

Class C

Answer

Class A

Answer

Class B

Answer

Class D

Question 6

What does the term 'chain of custody' refer to in laboratory operations?

Accepted Answer

Documented tracking of specimen handling from collection to final reporting

Answer

The hierarchical reporting structure of laboratory personnel

Answer

The sequence of quality control checks performed on instruments

Answer

The order in which patient samples are processed