Question 1

What is the primary aim of biosecurity in a laboratory setting?

Accepted Answer

To prevent the introduction of infectious disease into the general population.

Question 2

Which category of bioterrorism agents is easily transmitted from person to person and has a high mortality rate?

Accepted Answer

Category A

Question 3

What is the purpose of biocontainment measures in a laboratory?

Accepted Answer

To confine infectious agents to reduce exposure to personnel and the environment.

Question 4

According to the CDC, how should blood and body fluids from every patient be treated in the laboratory?

Accepted Answer

As potentially infectious.

Question 5

Which of the following is NOT an essential practice under Standard Precautions?

Accepted Answer

Pipette by mouth to ensure direct sample handling.

Question 6

Transmission-based precautions are used when a patient is known or suspected to be infected with an agent that requires what?

Accepted Answer

Extra measures to prevent spread or transmission.

Question 7

What type of precaution is used for pathogens transmitted through direct or indirect contact with the patient or their environment?

Accepted Answer

Contact Precautions

Question 8

Agents that can remain airborne and infectious over long distances require which type of precaution?

Accepted Answer

Airborne Precautions

Question 9

What is the primary function of a Biological Safety Cabinet (BSC)?

Accepted Answer

To enclose a workplace and protect workers from aerosol exposure to infectious agents.

Question 10

Which class of BSC safeguards both operators and the environment by containing potentially harmful aerosols and facilitates simple airflow?

Accepted Answer

Class I BSC

Question 11

Class II BSCs sterilize the air that flows over the infectious material as well as the air to be exhausted. What is a characteristic of Class IIB BSCs?

Accepted Answer

Exhaust air is discharged outside the building.

Question 12

Which class of BSC provides the highest level of protection with a leak-proof design, HEPA-filtered supply and exhaust air, and maintains negative pressure?

Accepted Answer

Class III BSC

Question 13

Engineering controls are designed to:

Accepted Answer

Isolate or remove the hazard from the workplace.

Question 14

Biological Safety Levels (BSL) are a series of protections delegated to laboratories based on what?

Accepted Answer

The type of infectious agent and the nature of the work.

Question 15

Which BSL level is characterized by 'Moderate individual and community risk' and deals with agents linked to preventable and treatable diseases?

Accepted Answer

BSL-2

Question 16

In BSL-3, what are some of the secondary barrier requirements?

Accepted Answer

Self-closing doors with locks, waste decontamination, and pest management.

Question 17

What is the primary method for cleaning spills of blood or body fluids in a laboratory?

Accepted Answer

Clean and disinfect the affected area.

Question 18

All materials contaminated with potentially infectious agents must be __________ before disposal.

Accepted Answer

Decontaminated

Clinical Bacteriology: Laboratory Safety, Microbial Control, and Quality Assurance

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