Occupational and Environmental Health: Recognizing and Preventing Disease and Injury - Multiple Choice Questions - Learn & Prevent

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Which strategy is most effective for controlling hazards?

  1. Constant monitoring and adjusting of worker schedules

  2. Substitution of hazardous substances with safer alternatives

  3. Frequent breaks for workers exposed to hazards

  4. Limitation of access to only senior employees

The correct answer is: Substitution of hazardous substances with safer alternatives

Substitution of hazardous substances with safer alternatives is the most effective strategy for controlling hazards because it eliminates the hazard altogether. Constant monitoring and adjusting of worker schedules may help mitigate hazards, but it does not completely eliminate them. Frequent breaks for workers exposed to hazards may provide some relief, but it does not address the root cause of the hazard. Limitation of access to only senior employees may limit the number of people exposed to hazards, but it does not address the effectiveness of the control measure for those workers. Therefore, B is the most effective strategy for controlling hazards.

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