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Biosafety Levels Exam | Questions And Answers Latest {} A+ Graded | 100% Verified
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Biosafety Levels Exam | Questions And Answers Latest {} A+ Graded | 100% Verified
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Biosafety Levels Exam | Questions And Answers Latest {2024- 2025} A+ Graded | 100%Verified
BSL - 1 - What is the Biosafety Level of this?
Characteristics: Low - risk agents that are not known to cause human disease
BSL - 1 - What is the Biosafety Level of this?
Pathogens / Disease: E.coli
BSL - 2 - What is the Biosafety Level of this?
Characteristics: Infectious agents of moderate risk with ingestion or mucous membrane transmission
BSL - 2 - What is the Biosafety Level of this?
Pathogens / Disease: Influenza , Lyme disease , salmonella , measles , mumps
BSL - 3 - What is the Biosafety Level of this?
Characteristics: Infectious aerosol transmission that may cause serious or lethal infections
BSL - 3 - What is the Biosafety Level of this?
Pathogens / Disease: Coronavirus , Mycobacterium tuberculosis , Yersinia pestis ( plague ) , malaria
BSL - 4 - What is the Biosafety Level of this?
Characteristics: Infectious aerosol transmission that may cause serious or lethal infections with no
treatment available
BSL - 4 - What is the Biosafety Level of this?
Pathogens / Disease: Ebola virus , Variola virus ( smallpox ) , Marburg virus
CDC / NIH - The appropriate biosafety level ( 1-4 ) is determined by the _____ / _____ .
,Pathogenicity - []Selection of the biosafety level is based on characteristics of the infectious agent :
- _____________ of material - disease incidence / severity
Documented - []Selection of the biosafety level is based on characteristics of the infectious agent :
- ___________ route of transmission ( bloodborne , airborne , ingestion )
HBV Vaccine - []Selection of the biosafety level is based on characteristics of the infectious agent :
- Availability of protective immunization ( ___ _______ ) or effective therapy
manipulation - []Selection of the biosafety level is based on characteristics of the infectious agent :
- Risk of exposure created by ____________ in handling the agent & caring for infected animals
BSL1 - _____ - agents not known to cause disease .
BSL2 - _____ - agents associated with human disease .
BSL3 - _____ - indigenous / exotic agents associated with human disease and with potential for aerosol
transmission .
BSL4 - _____ - dangerous / exotic agents of life threatening nature .
personnel & environmental - Biosafety Levels 1-4 provide :
- Increasing levels of _________ & _____________ protection , and appropriate guidelines for :
> Laboratory Practices and Techniques
> Safety Equipment ( Primary Barriers )
> Laboratory Facilities ( Secondary Barriers )
> Buildings ( Tertiary Barriers )
, > Laboratory
> Safety
> Laboratory
> Buildings - Biosafety Levels 1-4 provide :
- Increasing levels of personnel & environmental protection , and appropriate guidelines for :
> __________ Practices and Techniques
> ______ Equipment ( Primary Barriers )
> __________ Facilities ( Secondary Barriers )
> _________ ( Tertiary Barriers )
handwashing - Proper ___________ is important at all biosafety levels .
- warm
- 15
- paper
- lotion - Proper handwashing is important at all biosafety levels .
- Wash with ____ , running water , mild , preferably liquid soap , ( doesn't have to be antibacterial ) .
- Rub hands together vigorously for at least ___ seconds : scrub between fingers , under nails , tops &
palms of hands .
- Rinse with warm , running water .
- Dry with disposable _____ towel .
- Use ______ to prevent chapping of hands .
Personal Protective Equipment - Basic ________ __________ _________ ( PPE ) is required at all
Biosafety Levels :
- lab coat
- gloves - Basic Personal Protective Equipment ( PPE ) is required at all Biosafety Levels :
■ ___ ____ - protects clothing / skin
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