OSMT- Laboratory safety Exam
Questions and Answers 100% Pass
what are the 4 main categories of hazards in the laboratory - ✔✔1) biological
2) chemical
3) physical
4) psychological
what type of approach should you have when identifying hazards, assessing the risk
and determining control measures
a) first aid approche
b) systematic approach
c) knowledgeable approach
d) ladder approach - ✔✔b) systematic approach- having each job or task reviewed to
identify the hazards of all types
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,what is the assessment of risk based upon - ✔✔based on what the task is, what
equipment is used and where the tasks are being done
what are the level of risks calculated by - ✔✔number of worker exposed to hazard, how
often they are exposed and the severity and probability
are hazards the same as risks? - ✔✔no
what are the 3 ways to identify hazard controls - ✔✔1) engineering controls
2) administrative controls
3) personal controls
what are engineering controls
-name some examples - ✔✔actions, items or equipment designed to reduce harmful
exposure
examples- isolation of the hazard from the worker ( glove boxes, enclosed tube systems
in automated equipment)
-ventilation controls (chemical fume hoods, BSC)
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,-guarding between the worker and moving parts- pumps, centrifuges)
what are administrative controls - ✔✔actions taken by the administrators of an
organization to reduce employee exposure to hazards
eg : -training for new workers
-substitutions for hazards an processes
-reduce prolong exposure- schedule change
-inspections
-emergency plans
-occupational health programs
-pre work checklists
what are some personal controls - ✔✔refers to the use of PPE for lab work
ex: gloves
-gowns
-lab coats
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, eye protection
-respirators
-proper footwear
what are some emergency events that can happen in the lab - ✔✔-explosion
-chemical spill
-biological spill
-violence
-power failures
-information system failures
-severe weather
-floods
-ventilation failures
-bomb threats
-infectious disease exposure
what are biological hazards - ✔✔-the potential for a variety of lab-acquired infections
what are some examples of biological hazards - ✔✔-needle puncture
100% Pass Guarantee Sophia Bennett, All Rights Reserved © 2025 4
Questions and Answers 100% Pass
what are the 4 main categories of hazards in the laboratory - ✔✔1) biological
2) chemical
3) physical
4) psychological
what type of approach should you have when identifying hazards, assessing the risk
and determining control measures
a) first aid approche
b) systematic approach
c) knowledgeable approach
d) ladder approach - ✔✔b) systematic approach- having each job or task reviewed to
identify the hazards of all types
100% Pass Guarantee Sophia Bennett, All Rights Reserved © 2025 1
,what is the assessment of risk based upon - ✔✔based on what the task is, what
equipment is used and where the tasks are being done
what are the level of risks calculated by - ✔✔number of worker exposed to hazard, how
often they are exposed and the severity and probability
are hazards the same as risks? - ✔✔no
what are the 3 ways to identify hazard controls - ✔✔1) engineering controls
2) administrative controls
3) personal controls
what are engineering controls
-name some examples - ✔✔actions, items or equipment designed to reduce harmful
exposure
examples- isolation of the hazard from the worker ( glove boxes, enclosed tube systems
in automated equipment)
-ventilation controls (chemical fume hoods, BSC)
100% Pass Guarantee Sophia Bennett, All Rights Reserved © 2025 2
,-guarding between the worker and moving parts- pumps, centrifuges)
what are administrative controls - ✔✔actions taken by the administrators of an
organization to reduce employee exposure to hazards
eg : -training for new workers
-substitutions for hazards an processes
-reduce prolong exposure- schedule change
-inspections
-emergency plans
-occupational health programs
-pre work checklists
what are some personal controls - ✔✔refers to the use of PPE for lab work
ex: gloves
-gowns
-lab coats
100% Pass Guarantee Sophia Bennett, All Rights Reserved © 2025 3
, eye protection
-respirators
-proper footwear
what are some emergency events that can happen in the lab - ✔✔-explosion
-chemical spill
-biological spill
-violence
-power failures
-information system failures
-severe weather
-floods
-ventilation failures
-bomb threats
-infectious disease exposure
what are biological hazards - ✔✔-the potential for a variety of lab-acquired infections
what are some examples of biological hazards - ✔✔-needle puncture
100% Pass Guarantee Sophia Bennett, All Rights Reserved © 2025 4
