OSMT Laboratory safety Test Questions and Answers All Correct
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Module
OSMT Laboratory safety
Institution
OSMT Laboratory Safety
OSMT Laboratory safety Test Questions and Answers All Correct
What is ionizing radiation - Answer-radiation that has the ability to displace an electron from an atom or molecule therfore producing ions
Sources of ionizing radiation - Answer--x rays
-gamma rays
-alpha particles
-beta particl...
organs that are at risk with radiation - Answer--blood forming cells (BM)
-breasts
-thyroid
-lungs
-digestive system
-fetus
,general precautions when handling radioactive materials - Answer--know the types of
materials
-determine shielding requirements
-use PPE
-use shielded storage
-if you use the wrong shielding it can lead to effects that are harmful
-use Plexiglas for shielding not lead
what are the 4 main categories of hazards in the laboratory - 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 - 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 - 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 - Answer-number of worker exposed to hazard,
how often they are exposed and the severity and probability
are hazards the same as risks? - Answer-no
what are the 3 ways to identify hazard controls - Answer-1) engineering controls
2) administrative controls
3) personal controls
what are engineering controls
-name some examples - 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 - 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 - Answer-refers to the use of PPE for lab work
what are some emergency events that can happen in the lab - 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 - Answer--the potential for a variety of lab-acquired
infections
what are some examples of biological hazards - 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
which administration is responsible for then enforcement of the human pathogen and
toxins act and regulation - Answer-minister of health - the purpose of this legislation is to
establish a safety and security regime to protect the health and safety of the public
against the risk posed by humans and animal pathogens and toxins
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