1 Flashcards by Hashim Almeer

Q: the prime preventive activity of most clinician is?

Primary.
Secondary.
Tertiary.
All of the above.

Tertiary

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Outside air should be provided at a rate of?

½ m 3 /min./ occupant

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A space with narrow dimensions + poor natural ventilation

Confined space

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The most common route of exposure to substances used at work is by

Inhalation

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In each cubic meter of air there are …… liters of oxygen.

210 L

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In each cubic meter of air there are ……… liter of carbon dioxide.

0.3 L

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In each cubic meter of air there are ……. of hydrogen.

50 mL

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Number of fatalities is

Insensitive measure of safety performance

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an injury forcing a worker to remain away from his or her work beyond the day of the incident that caused the injury.

Lost time injury

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any activity that requires an individual to lift, move or support a load

Manual handling

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Metal is considered heavy if its density

5 times the water density

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where a doctor acts at the interface between a person’s work and his or her health.

Occupational medicine

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Occupational health team

Occupational medicine physician.
Occupational health nurse.
Occupational hygienist.
Ergonomist.

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Something with potential for harm

Hazard (qualitative)

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The probability that harm will occur.

Risk (quantitative)

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things that are an essential part of the tasks to be performed.

Inherent requirements

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the option for overtime or performance to a very high level.

Discretionary

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Types of occupational hazards

Physical.
Psychological.
Poor work design.
Substance related (chemical).
Biological.

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Ionizing radiation

Gamma rays.
X rays.
UVC + UVB.

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Type of radiation in sterilization

Gamma

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Type of radiation in testing integrity of welded, cast or extruded items

X rays

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Type of radiation in continuous monitoring of the thickness of plastic film.

Beta particles

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Type of radiation in smoke detectors.

Alpha particles

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Malformation threshold of ionizing radiation.

100-200 mGy

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Risk of Raynaud’s phenomenon increased with.

Cold + vibration

Body temp below 35

Consciousness becomes dulled

Body temp below 30

Semiconsciousness

Alternating current (AC) causes

Tetany + sweating

Direct current (DC) causes

Electrolysis

Taser deliver pulses of

High voltage + Low current

Pressure change acutely can cause

Arterial gas embolism

Pressure change chronically can cause

Septic necrosis of the head of long bones

Used to make plastic foams and found in paints

Isocyanates

Carbon monoxide leads to

Asphyxiation

Result from heating of air

Occurs in arc welding

UV + strongly heated air

A gas capable of depressing respiratory drive

Hydrogen sulphide (induces olfactory adaptation)

Lowers O2 carrying capacity + inhibits cytochromes

Inhalation of toluene causes

Necrosis

the most common cause of internal cancer.

Asbestos

A common cause of skin cancer in outdoor workers.

UV radiation

a group of minerals that have long, strong, flexible crystals called fibres.

Asbestos

Used for insulation of steam pipes.

Asbestos

Used to reinforce cement and vinyl based materials for roofs and walls.

Asbestos

Pleurodesis is done to manage.

Mesothelioma

Asbestos health effects

Mesothelioma. Bronchogenic carcinoma. Pleural plaques.

Pleural plaques (Pleural thickening) is a marker of?

Previous exposure to asbestos

Fine hardwood dust is associated with

Nasopharyngeal carcinoma

Benzene exposure is associated with

Myeloid Leukemia

Vinyl chloride is associated with

Angiosarcoma of the liver

Fine particle of silica is associated with

lung cancer

Circadian disruption is associated with

Breast cancer

Extensive use of mobile phones is associated with

Glioma and acoustic neuroma

work with dyestuffs or as a painter.

Bladder cancer

Motor vehicle brake blocks

Mesothelioma

Outdoor work with pale skin tone

SCC

Particles with aerodynamic equivalent diameter ......... reach the alveoli.

< 7µm

Disease of the lung that features fibrosis and that results from the inhalation of fine dust particles

Pneumoconiosis

Chronic breathlessness and mild fever in someone exposed to protein dust

Hypersensitivity pneumonitis

Chronic exposure to loud noise leads to

Hearing loss of high frequency sounds (external HC damaged)

threshold of hearing is most marked at the pure-tone frequency of

4 kilohertz.

Six areas of work (stressors)

``` Demands Control Support Role Relationships Change ```

Highest claim numbers

Health. Community services. Education. Personal.

The intentional use of force or intimidation

Assault

the repetition of unreasonable behavior that causes, or has the potential to cause harm

Bullying

Primary prevention of bullying

Declared policy

Secondary prevention of bullying

Reporting system

Tertiary prevention of bullying

Review the procedure to manage bullying

In musculoskeletal injury, psychosocial factors called

Yellow flags