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On the quick summary table of biocontainment or Biosafety Levels (BSL's), what is the lowest
BSL that recommends the use of a biological safety cabinet to contain aerosols based on risk
assessment? Correct answer-BSL2
Mycobacterium tuberculosis, a human pathogen with an inhalation route of exposure, a low
infectious dose and is capable of causing severe disease, including death, is representative of
which Risk Group? Correct answer-Risk Group 3
The term "insecure laboratory procedures" in the definition of a biohazard presented in this
educational module refers to which element of biohazard risk management? Correct
answer-Work practices
How many Biosafety Levels have been created to outline recommended biocontainment
practices and laboratory design considerations? Correct answer-4
According to the table on BSL's, HEPA filters for exhaust air are absolutely required at which
BSL? Correct answer-BSL4
This Biosafety Level requires at least two-door separation between the area where biohazards
are used and the personnel not associated with the research, requires inward inflow into the lab
and must have a visual mechanism to verify that air is flowing in the appropriate direction.
Correct answer-BSL3