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Occupational Hazards - Coggle Diagram
Occupational Hazards
Type of Hazards
Chemical
Solvents
Organic - disolve other substance
Reagents
Physical
Temperature
Heat Injuries
Cold Injuries
Radiation
Illumination/lighting
Noise
Biological
Mechanical/Ergonomics
Hands Arm Vibration Syndrome
Psychosocial
Route of Entry
Inhalation
Skin Absorption
Ingestion –food and water
Injestion
Trans-placental
Definitions
Toxicity
- Capacity of a substance to cause harm
Hazard
- Potential to cause harm
Risk
- Expected frequency of undesirable effects
Radiation
Ultraviolet radiation (Non-ionzing)
<200 nm - inactive
4 –400 nanometers frequency
200- 290 nm - absorbed by cornea & skin
Clinical Efforts
Keratoconjunctivitis
Cataracts
Erythema
Photosensitive
Malignant lesions
Infrared radiation (Non-ionzing)
750 - 3 million nm
Occupational Exposure
Heating and Dehydrating processes
Welding - Glass making - Furnance workers
Ionzing Radiation
Alpha particles
Beta partices
Gamma particles
Neutrons
Sieverts (Sv)
Equivalent single dose received at the organ
Pressure
Decompression Sickness
Caissons Disease
Type 1 & Type 2
Barotrauma
Pulmonary Barotrauma
Gastrointestinal Barotoma
Dental Barotrauma
Sinus Barotrauma
Cerebral Arterial Gas Embolism (CAGE)
Toxicology
Toxicokinetics
Absorption
Concentration in inspired air
Partition coefficient
Pulmonary ventilation and blood flow
Body Fat
Work Practices
Distribution
Liphophilic
Metabolism
Liver
Excretion of substances
Toxicodynamics
- Relationship between the dose in the body and the response seen
Sound
Audible sound 20 –20,000 Hz | Speech mainly 500 –6,000 Hz
Types
Auditory
ringing in the ears
causing dizziness
Non-Auditory
headache and irritability
Biological Hazards
Route of entry
Inhalation
Ingestion
Transdermal
Injection
Transplacenta