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Microbiology Laboratory: Infection Control and Biosafety

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Questions and Answers

What is the primary goal of biosafety in a microbiology laboratory?

To only implement safety protocols for chemical hazards
To reduce the risk of exposure to potentially infectious microorganisms and limit contamination of the work environment and the community (correct)
To completely eliminate all risks in the laboratory
To solely focus on proper specimen collection and handling

What type of laboratory is equipped with sophisticated diagnostic and investigative facilities?

Secondary level laboratory
Primary level laboratory
Tertiary level laboratory (correct)
Reference laboratory

What is the main difference between safety and risk deletion?

Safety is the absence of risks, while risk deletion is the elimination of risks
There is no difference between safety and risk deletion
Safety is the elimination of risks, while risk deletion is the management of risks
Safety is the management of risks, while risk deletion is the absence of risks (correct)

What is a common risk in a clinical laboratory?

Radiation from RIA (C) Signup and view all the answers

What is the purpose of a reference laboratory?

To provide services in a specialized field or area of importance (A) Signup and view all the answers

How many biosafety levels are there?

Four (C) Signup and view all the answers

What determines the level of containment in a microbiology laboratory?

Infectivity, severity of disease, transmissibility, and the nature of the work conducted (D) Signup and view all the answers

What is the purpose of routine decontamination of work surfaces in a microbiology laboratory?

To minimize the risk of infection (A) Signup and view all the answers

What is the primary factor that determines the Biological Safety Level (BSL) required for a microbiology laboratory?

The risk group of the biological agent (D) Signup and view all the answers

What is a characteristic of a microbe classified as Risk Group 1 (RG-1)?

It is not known to consistently cause disease in healthy adults and presents minimal potential hazard to laboratorians and the environment (B) Signup and view all the answers

What is a common practice followed in all microbiology laboratories, regardless of biosafety level?

Following standard microbiological practices (D) Signup and view all the answers

What is the biosafety level of a laboratory where nonpathogenic strains of E. are typically worked with?

BSL-1 (C) Signup and view all the answers

What is a characteristic of microbes handled in a BSL-4 laboratory?

They pose a high risk of aerosol-transmitted infections (C) Signup and view all the answers

What is a requirement for laboratory practices in a BSL-4 laboratory?

Changing clothing before entering and showering upon exiting (A) Signup and view all the answers

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

To provide a safe working environment for handling infectious microorganisms (A) Signup and view all the answers

What is a feature of a Class II or Class III Biological Safety Cabinet?

It provides personnel, environmental, and product protection (A) Signup and view all the answers

What is a requirement for BSL-4 facility construction?

The laboratory must be in a separate building or in an isolated zone (C) Signup and view all the answers

What is the purpose of a HEPA filter in a Biological Safety Cabinet?

To filter the exhaust air from the cabinet (A) Signup and view all the answers

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