ACTUAL Questions and CORRECT
Answers
what are the 4 main categories of hazards in the laboratory - CORRECT ANSWER - 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 - CORRECT ANSWER - b) systematic approach- having each job or
task reviewed to identify the hazards of all types
what is the assessment of risk based upon - CORRECT ANSWER - 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 - CORRECT ANSWER - number of worker
exposed to hazard, how often they are exposed and the severity and probability
are hazards the same as risks? - CORRECT ANSWER - no
what are the 3 ways to identify hazard controls - CORRECT ANSWER - 1) engineering
controls
,2) administrative controls
3) personal controls
what are engineering controls
-name some examples - CORRECT ANSWER - 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)
-guarding between the worker and moving parts- pumps, centrifuges)
what are administrative controls - CORRECT ANSWER - 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 - CORRECT ANSWER - refers to the use of PPE for lab
work
, ex: gloves
-gowns
-lab coats
eye protection
-respirators
-proper footwear
what are some emergency events that can happen in the lab - CORRECT ANSWER --
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 - CORRECT ANSWER - -the potential for a variety of lab-
acquired infections
what are some examples of biological hazards - CORRECT ANSWER - -needle puncture
-injury with broken glass, sharp object
-contact from biological skills, sprays , aerosols, mucous membrane or broken skin
-aspiration through pipettes
-animal bites or scratches