Occupational Health And Safety Physical Stresses at University Of Johannesburg | Flashcards & Summaries

Lernmaterialien für occupational health and safety physical stresses an der University of Johannesburg

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Serious physical harm

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Harm of such nature that it may cause
permanent or prolonged impairment of body in
such a way that part of body is functionally
useless or part of internal bodily system is
inhibited in its normal performance

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what is safety?

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•Work environment that contains no threat
to health and safety for employee or
public

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mention 11 ways an accident may occur. 

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1. Being struck by falling objects

2. Stepping on, striking against or being
struck by objects

3. Caught in, on or between objects

4. Falls from above

5. Falls at ground level

6. Strain, over-exertion or strenous
movement

7. Electric contact or exposure

8. Exposure to or contact with harmful
substances or radiation

9 Inhalation

10. Ingestion

11. Absorption

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Typical Body Temperatures  (Tc)


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•46.5°C  Highest recorded survivable core temperature

•43°C  Tissue damage (brain, liver)

•41°C  Cessation of sweating

•39°C  The threshold of hyperthermia

•36.8°C  Normal core temperature

•35°C  The threshold of hypothermia

•33°C  Impaired muscle function,   introversion, loss of mental alertness

•30°C  Cessation of shivering and then   unconsciousness

•28°C  Possible ventricular fibrillation

•26°C  Bradycardia and Bradypnoea

       Slow heart rate & slow breathing 

•24°C  Possible death without rewarming

•14.4°C  Lowest recorded core temperature for   a survivor of accidental hypothermia

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Several factors that play a major role in safe performance of worker’s activities include:

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•An understanding of the difficulty of the activity – risks and hazards
•Ability level of a worker – skill and knowledge
•State of mind and physical state of a worker
•Environmental factors

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what are 3 categories of injury?

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•Minor injuries that require first aid treatment
•Injuries causing temporary total disablement
•Permanent disablement which may be partial, total / fatal

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Birthplace of Arjen Robben?

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Netherlands

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what is lack of control?

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•Defined as a lack of an organised system whereby all aspects
of an operation are subjected to control

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what is an Accident / incident?

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Accident can be defined as a sudden
uncontrollable, unplanned, undesirable
happening that disrupts normal functions of
persons + causes / has potential to produce
or to cause unintended injury, death or
property damage and/or business
interruption

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what is homeostasis?

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•Process by which the body keeps its internal environment (e.g. temperature, blood pressure, pH, blood gases) stable by modulating physical functions & behavior. 


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Essential types of accidents may be classified according to
seven classes (ILO)

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• Nature of injury – identifies injury i.e. its principal physical
characteristics
• Part of body affected – directly affected part is identified
• Source of injury – object, substance, exposure or bodily motion
directly produced / inflicted injury
• Accident type – event directly resulted in injury
• Hazardous condition – hazardous physical condition / circumstance
which permitted / occasioned occurrence of accident
• Agency of accident – identifies object, substance / premises where
previously identified hazardous condition existed
• Unsafe act – identifies violation of commonly accepted safe
procedures

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according to what are accidents classified?

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Accidents are classified according to their inherent
characteristics – almost every country has its own
classification

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Q:


Serious physical harm

A:

Harm of such nature that it may cause
permanent or prolonged impairment of body in
such a way that part of body is functionally
useless or part of internal bodily system is
inhibited in its normal performance

Q:

what is safety?

A:


•Work environment that contains no threat
to health and safety for employee or
public

Q:

mention 11 ways an accident may occur. 

A:

1. Being struck by falling objects

2. Stepping on, striking against or being
struck by objects

3. Caught in, on or between objects

4. Falls from above

5. Falls at ground level

6. Strain, over-exertion or strenous
movement

7. Electric contact or exposure

8. Exposure to or contact with harmful
substances or radiation

9 Inhalation

10. Ingestion

11. Absorption

Q:

Typical Body Temperatures  (Tc)


A:

•46.5°C  Highest recorded survivable core temperature

•43°C  Tissue damage (brain, liver)

•41°C  Cessation of sweating

•39°C  The threshold of hyperthermia

•36.8°C  Normal core temperature

•35°C  The threshold of hypothermia

•33°C  Impaired muscle function,   introversion, loss of mental alertness

•30°C  Cessation of shivering and then   unconsciousness

•28°C  Possible ventricular fibrillation

•26°C  Bradycardia and Bradypnoea

       Slow heart rate & slow breathing 

•24°C  Possible death without rewarming

•14.4°C  Lowest recorded core temperature for   a survivor of accidental hypothermia

Q:


Several factors that play a major role in safe performance of worker’s activities include:

A:


•An understanding of the difficulty of the activity – risks and hazards
•Ability level of a worker – skill and knowledge
•State of mind and physical state of a worker
•Environmental factors

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Q:

what are 3 categories of injury?

A:

•Minor injuries that require first aid treatment
•Injuries causing temporary total disablement
•Permanent disablement which may be partial, total / fatal

Q:

Birthplace of Arjen Robben?

A:

Netherlands

Q:

what is lack of control?

A:


•Defined as a lack of an organised system whereby all aspects
of an operation are subjected to control

Q:


what is an Accident / incident?

A:


Accident can be defined as a sudden
uncontrollable, unplanned, undesirable
happening that disrupts normal functions of
persons + causes / has potential to produce
or to cause unintended injury, death or
property damage and/or business
interruption

Q:

what is homeostasis?

A:

•Process by which the body keeps its internal environment (e.g. temperature, blood pressure, pH, blood gases) stable by modulating physical functions & behavior. 


Q:


Essential types of accidents may be classified according to
seven classes (ILO)

A:


• Nature of injury – identifies injury i.e. its principal physical
characteristics
• Part of body affected – directly affected part is identified
• Source of injury – object, substance, exposure or bodily motion
directly produced / inflicted injury
• Accident type – event directly resulted in injury
• Hazardous condition – hazardous physical condition / circumstance
which permitted / occasioned occurrence of accident
• Agency of accident – identifies object, substance / premises where
previously identified hazardous condition existed
• Unsafe act – identifies violation of commonly accepted safe
procedures

Q:

according to what are accidents classified?

A:


Accidents are classified according to their inherent
characteristics – almost every country has its own
classification

occupational health and safety physical stresses

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