Question

Smoke that is becoming thicker, darker, or more turbulent during interior attack is cause for the ISO to make a ________________. A) Tactical Withdrawal

B) Mayday Call
C) Situational Assessment
D) Progressive Size-up Update

Answer 1

Upon observing smoke becoming thicker, darker, or more turbulent during an interior attack, the Incident Safety Officer (ISO) should perform a Situational Assessment and update the progressive size-up.

Step-by-step explanation:

When smoke is becoming thicker, darker, or more turbulent during an interior attack, the Incident Safety Officer (ISO) is prompted to make a C) Situational Assessment. This assessment is critical as it may reveal changes in the fire's behavior, indicate potential flashover conditions, or show structural compromise. Based on their evaluation, the ISO may then decide to escalate their response to include a tactical withdrawal or a mayday call if necessary. However, the initial response should be to update their progressive size-up to ensure everyone's safety on the fireground.