IICRC HST Exam Questions &
Answers (Grade A+)
Industrial Hygiene -
correct answer ✅Science and art devoted to the anticipation,
recognition, evaluation, prevention, and control of those
environmental factors or stresses arising in or from the workplace
which may cause sickness,, impaired health and well being, or
significant discomfort among workers or among citizens of the
community.
Occupational Health and Safety -
correct answer ✅Same definition as "industrial hygiene" ;
Science and art devoted to the anticipation, recognition, evaluation,
prevention, and control of those environmental factors or stresses
arising in or from the workplace which may cause sickness,,
impaired health and well being, or significant discomfort among
workers or among citizens of the community.
Principles of health and safety hazard identification rely on these 3
basic criteria -
correct answer ✅Recognition - of a hazard or potential hazard
Assessment - and eval of the hazard
Controls - that are implemented to minimize hazard
,IICRC HST Exam Questions &
Answers (Grade A+)
Hazard -
correct answer ✅Any source or situation with a potential for harm
in terms of a human injury or ill health, damage to property,
damage to the workplace environment, or any combination of
these.
Risk -
correct answer ✅It is the chance or probability that a person will
be harmed or experience an adverse health effect if exposed to a
hazard. May also apply to situations with property or equipment
loss.
What is the purpose of a hazard/risk assessment? -
correct answer ✅to identify hazards and risks in the workplace so
that workers are made aware of unsafe conditions at a worksite.
Occupational Illness -
correct answer ✅A health problem caused by exposure to health
hazards in workplace
Occupational injury -
correct answer ✅Injury that results from a work-related accident
or exposure involving a single incident in the work environment.
,IICRC HST Exam Questions &
Answers (Grade A+)
Hazard-Contributing Factors: -
correct answer ✅People
Equipment
Materials
Environment
Process
Kinds of Hazards: -
correct answer ✅Machine
Energy
Confined Space
Material Handling
Work practice/Ergonomic
Chemical/Biological
Aim of hazard/risk assessment process is to -
correct answer ✅remove a hazard or reduce the level of risk by
adding precautions or control measures as necessary.
, IICRC HST Exam Questions &
Answers (Grade A+)
Levels of Risk involved with Hazard -
correct answer ✅Very Low
Low Medium
Medium
High
Very High
Hazard Level: Very Low -
correct answer ✅Considered acceptable
Hazard Level: Low -
correct answer ✅No controls required unless can be implemented
at low cost
Hazard Level: Medium -
correct answer ✅Consideration should be whether the risks can
be lowered, where applicable, to a tolerable level and preferably to
an acceptable level, but the cost of additional risk reduction
measures should be taken into account
Hazard Level: High -
correct answer ✅Substantial efforts should be made to reduce the
Answers (Grade A+)
Industrial Hygiene -
correct answer ✅Science and art devoted to the anticipation,
recognition, evaluation, prevention, and control of those
environmental factors or stresses arising in or from the workplace
which may cause sickness,, impaired health and well being, or
significant discomfort among workers or among citizens of the
community.
Occupational Health and Safety -
correct answer ✅Same definition as "industrial hygiene" ;
Science and art devoted to the anticipation, recognition, evaluation,
prevention, and control of those environmental factors or stresses
arising in or from the workplace which may cause sickness,,
impaired health and well being, or significant discomfort among
workers or among citizens of the community.
Principles of health and safety hazard identification rely on these 3
basic criteria -
correct answer ✅Recognition - of a hazard or potential hazard
Assessment - and eval of the hazard
Controls - that are implemented to minimize hazard
,IICRC HST Exam Questions &
Answers (Grade A+)
Hazard -
correct answer ✅Any source or situation with a potential for harm
in terms of a human injury or ill health, damage to property,
damage to the workplace environment, or any combination of
these.
Risk -
correct answer ✅It is the chance or probability that a person will
be harmed or experience an adverse health effect if exposed to a
hazard. May also apply to situations with property or equipment
loss.
What is the purpose of a hazard/risk assessment? -
correct answer ✅to identify hazards and risks in the workplace so
that workers are made aware of unsafe conditions at a worksite.
Occupational Illness -
correct answer ✅A health problem caused by exposure to health
hazards in workplace
Occupational injury -
correct answer ✅Injury that results from a work-related accident
or exposure involving a single incident in the work environment.
,IICRC HST Exam Questions &
Answers (Grade A+)
Hazard-Contributing Factors: -
correct answer ✅People
Equipment
Materials
Environment
Process
Kinds of Hazards: -
correct answer ✅Machine
Energy
Confined Space
Material Handling
Work practice/Ergonomic
Chemical/Biological
Aim of hazard/risk assessment process is to -
correct answer ✅remove a hazard or reduce the level of risk by
adding precautions or control measures as necessary.
, IICRC HST Exam Questions &
Answers (Grade A+)
Levels of Risk involved with Hazard -
correct answer ✅Very Low
Low Medium
Medium
High
Very High
Hazard Level: Very Low -
correct answer ✅Considered acceptable
Hazard Level: Low -
correct answer ✅No controls required unless can be implemented
at low cost
Hazard Level: Medium -
correct answer ✅Consideration should be whether the risks can
be lowered, where applicable, to a tolerable level and preferably to
an acceptable level, but the cost of additional risk reduction
measures should be taken into account
Hazard Level: High -
correct answer ✅Substantial efforts should be made to reduce the
