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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Birthplace of Arjen Robben?

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Netherlands

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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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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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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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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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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 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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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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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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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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what are the 3 basic categories of injury?

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•Every accident must be recorded since they may serve as
a warning
•Slight change in circumstances / conditions – minor
accidents could result in fatal / serious injuries + property
damage

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which Factors that may cause accidents?

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•Work environment may be unpleasant
•Noise levels too high – impossible to hear
safety signals
•Lighting may be too poor or too bright to see
properly
•Temperature may be too high or too low that
workers cannot function well
•Inadequate ventilation may result in build-up of
toxic fumes and lead to drowsiness

•Worker may also be contributing factor –
he/she may not have received adequate
training, little experience of task, attitude may
not be directed towards safety
•Above lead to performance of unsafe acts
and/or creation of unsafe conditions – develop
as result of no / inadequate control

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Q:

Birthplace of Arjen Robben?

A:

Netherlands

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:

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:

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:

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

Mehr Karteikarten anzeigen
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 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:

what is safety?

A:


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

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

Q:

according to what are accidents classified?

A:


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

Q:

what are the 3 basic categories of injury?

A:


•Every accident must be recorded since they may serve as
a warning
•Slight change in circumstances / conditions – minor
accidents could result in fatal / serious injuries + property
damage

Q:


which Factors that may cause accidents?

A:

•Work environment may be unpleasant
•Noise levels too high – impossible to hear
safety signals
•Lighting may be too poor or too bright to see
properly
•Temperature may be too high or too low that
workers cannot function well
•Inadequate ventilation may result in build-up of
toxic fumes and lead to drowsiness

•Worker may also be contributing factor –
he/she may not have received adequate
training, little experience of task, attitude may
not be directed towards safety
•Above lead to performance of unsafe acts
and/or creation of unsafe conditions – develop
as result of no / inadequate control

occupational health and safety physical stresses

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