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

A. This is incorrect because a disaster is a serious event, not just a minor inconvenience. It also requires outside assistance, whereas a minor inconvenience can likely be managed without it.

C. This is incorrect because a disaster is not a small-scale event that can be easily managed by communities. It is a significant disruption that typically requires external help.

D. This is incorrect because a disaster is not a scheduled event organized by local authorities. It is an unexpected event that causes significant threats.

So, the correct explanation is A disaster is defined as a serious disruption in society that poses significant threats and requires outside assistance. It is not a minor inconvenience that can be easily managed by communities, nor is it a scheduled event for training purposes. A disaster is an unexpected event that requires external help to manage and overcome the significant threats it poses.