Why should personnel search behind doors and on the floor below windows during a search?

• A. To look for hidden occupants
• B. Smoke may overcome occupants while they are trying to escape
• C. Doors provide complete protection from heat
• D. All occupants are visible from outside

Answer: (B)

In a fire, the primary danger to occupants is smoke inhalation as they try to escape. Because visibility is poor and heat and smoke flow can push people into hidden spaces, you must systematically check areas that aren’t immediately visible—like behind doors and on the floor below windows—where someone may be trapped or overcome before they can reach an exit. Searching behind doors helps you find occupants who are inside rooms that aren’t open to view, while checking the floor below windows targets people who may have moved down to lower levels or taken cover near a window to escape but were overtaken by smoke. This approach reduces the chance of missing someone and getting them to safety before smoke overwhelms them.