Answers 100% Verified
What is the lowest BSL that requires all manipulations of biohazards to take place within
biological safety cabinets or other primary containment enclosures?
BSL1
BSL2
BSL3
BSL4 Correct answer-BSL3
BSL3 is the lowest BSL that requires all work to be conducted within a biosafety cabinet or other
primary containment enclosure. At BSL2, the use of such enclosures is based on a risk
assessment but is not required for all work.
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?
Risk Group 1
Risk Group 2
Risk Group 3
Risk Group 4 Correct answer-Risk Group 3
, Biosafety Course Overview; Questions &
Answers 100% Verified
Mycobacterium tuberculosis is a Risk Group 3 pathogen, that can be transmitted via the
airborne route, and has an infectious dose of 10 and can kill up to 50% of those who do not
receive treatment.
Ebola virus is an example of a pathogen associated with which Risk Group?
Risk Group 1
Risk Group 2
Risk Group 3
Risk Group 4 Correct answer-Risk Group 4
How many different Risk Groups have been establishes for categorizing Pathogen severity and
risk assessment starting point?
4
16
8
12 Correct answer-4
There are four different Risk Groups, Risk Group 1, 2, 3 and 4 for classification of human
pathogens for initial risk assessment purposes. Risk Group 1 is the lowest risk group and Risk
Group 4 is the highest.