MLS Quality & Safety

Question 1

What is the primary purpose of quality control (QC) in a clinical laboratory?

Accepted Answer

To ensure accuracy and reliability

Answer

Quality control ensures the accuracy and reliability of laboratory test results by monitoring the performance of testing instruments and reagents.

Question 2

Which of the following is a critical component of a laboratory’s quality assurance (QA) program?

Accepted Answer

Proficiency testing

Answer

Proficiency testing is a key part of quality assurance, helping to evaluate a laboratory’s ability to produce accurate and consistent test results.

Question 3

Which biosafety level (BSL) is required for handling highly infectious pathogens such as Ebola virus?

Accepted Answer

BSL-4

Answer

Biosafety Level 4 (BSL-4) laboratories are required for working with highly infectious agents like Ebola, which pose a severe risk to human health.

Question 4

What should be done in case of an accidental laboratory spill involving bloodborne pathogens?

Accepted Answer

Cover the spill with paper towels and disinfect with bleach

Answer

Spills involving bloodborne pathogens should be immediately contained and disinfected using an appropriate chemical agent, such as a 10% bleach solution.

Question 5

Which type of fire extinguisher should be used in a laboratory setting to handle flammable liquid fires?

Accepted Answer

Class B

Answer

Class B fire extinguishers are specifically designed to handle fires involving flammable liquids such as ethanol, acetone, and laboratory solvents.

(MLS) Medical Laboratory Scientist Practice Test

(MLS) Medical Laboratory Scientist Practice Test

MLS Quality & Safety