When the fire reaches a state where sufficient oxygen, fuel, and radiant feedback are available to prevent self-extinguishment, it has achieved what benchmark?

A cholinergic drug is also which of the following:

A. a sympatholytic. B. a sympathomimetic. C. a parasympatholytic. D. a parasympathomimetic. E. an antiemetic.

Level ____ rescuers do not directly enter the environment the patient is trapped in, but can use different means to effect rescue from a safe location.

A. I B. II C. III D. IV