What credible threats should a hospital located near two rivers be prepared for when constructing an emergency preparedness plan? Select all that apply.

A hospital situated near two rivers should prioritize preparing for floods when developing its emergency preparedness plan. Flooding is a significant concern in areas adjacent to water bodies, particularly during periods of heavy rainfall or snowmelt. This can lead to rising water levels that may inundate the hospital's premises, disrupt services, and pose risks to staff and patients.

In regard to the other potential threats, while building explosions, bridge collapses, and train derailments are important safety considerations, they are not directly related to the geographic proximity to rivers. Flooding, however, is a specific and credible threat that is inherently linked to the location of the hospital, necessitating comprehensive planning to ensure operational continuity and safety during such natural disasters.