NEBOSH Occupational Health

Question 1

What are the main categories of occupational health hazards covered by NEBOSH IGC?

Accepted Answer

Chemical (substances), physical (noise, vibration, radiation), biological (pathogens), ergonomic (musculoskeletal), and psychosocial (stress, workload)

Answer

Only chemical hazards

Answer

Only physical injuries

Answer

Only respiratory hazards

Question 2

What heat stress management protocols are essential for Gulf region workplaces?

Accepted Answer

Midday work bans during summer, hydration programs, acclimatization schedules for new workers, rest areas with cooling, and heat illness first aid training

Answer

No special protocols are needed

Answer

Only provide water bottles

Answer

Heat stress only affects workers who are unfit

Question 3

What is the difference between acute and chronic health effects from workplace exposures?

Accepted Answer

Acute effects occur immediately after short-term exposure (chemical splash), while chronic effects develop gradually from long-term, repeated exposure (occupational lung disease)

Answer

They are the same thing

Answer

Acute is always more serious

Answer

Chronic effects are not work-related

Question 4

What workplace noise management requirements does NEBOSH cover?

Accepted Answer

Noise assessment, exposure limits (80-85 dB action levels), engineering controls, hearing protection zones, and audiometric health surveillance

Answer

Noise is not a health hazard

Answer

Only provide earplugs to workers who complain

Answer

Noise management is only for factories

Question 5

What are the health effects of exposure to respirable crystalline silica dust in Gulf construction?

Accepted Answer

Silicosis (irreversible lung scarring), increased lung cancer risk, kidney disease, and autoimmune disorders from inhaling fine silica particles during sandblasting, cutting, and drilling

Answer

Silica dust is harmless

Answer

Only causes temporary coughing

Answer

Silica is only a hazard in mining

Question 6

What occupational health surveillance programs does NEBOSH recommend?

Accepted Answer

Pre-employment health screening, periodic health examinations, exposure monitoring, biological monitoring, and health records maintenance

Answer

Health surveillance is not necessary

Answer

Only check workers when they feel ill

Answer

Annual physical examinations are sufficient