Which measure should a manager take to prevent a pest infestation in a facility?

• A. Keep doors and windows open at all times for ventilation.
• B. Store food waste in open containers overnight.
• C. Leave standing water in sinks and drains.
• D. Seal cracks and gaps in walls and floors to eliminate entry points.

Answer: (D)

Verified step by step guidance

1. Understand that pests enter facilities through small openings such as cracks and gaps in walls and floors, so preventing their entry is crucial.
2. Recognize that keeping doors and windows open or storing food waste in open containers can attract pests rather than prevent them.
3. Identify that standing water in sinks and drains provides a breeding ground for pests like mosquitoes and should be avoided.
4. Focus on the importance of sealing cracks and gaps to physically block pests from entering the facility.
5. Conclude that the best preventive measure is to maintain the facility by sealing all potential entry points, thereby reducing the risk of infestation.