Describes the increasing velocity of a movement; also, a subphase of the swing phase of gait that occurs right after pushoff as the free leg swings in a downward arc

You are assisting with the extrication of a patient who is pinned in her car. You should be wearing:

A) latex gloves. B) an N-95 respirator. C) steel-toed boots. D) a reflective safety vest.

Which of the following BEST describes the manner in which cast iron fails during fire conditions?

A. It factures. B. It melts slowly. C. It bends and sags. D. It ballons and swells.