17. When removing downed firefighters, priority is usually: (482) A. sheltering in place. B. stabilizing firefighter injuries. C. exiting the IDLH atmosphere. removing downed firefighters' SCBA.

## Step 1<br />This problem is about the priority when removing downed firefighters. The options provided are: A. sheltering in place, B. stabilizing firefighter injuries, C. exiting the IDLH atmosphere, and D. removing downed firefighters' SCBA.<br /><br />## Step 2<br />The term "IDLH" stands for Immediately Dangerous to Life or Health. This term is used to describe situations where life or health is in immediate danger.<br /><br />## Step 3<br />In the context of firefighting, the priority when removing downed firefighters is to exit the IDLH atmosphere. This is because the safety of the firefighters is the most important consideration in such situations.