Soot can reduce visibility on what piece of protective breathing apparatus?

If a vertical penetration of a floor is designed into a building, what do codes require for enclosing that penetration?

A. The penetration must be enclosed in a fire-resistive enclosure. B The penetration is required to be enclosed with a 4-hour wall. C. The penetration perimeter must be protected by a sprinkler system. D. The penetration must be enclosed only above the second floor.

You are caring for an 8-month-old boy who is unresponsive after choking on a piece of hard candy. As you look into his mouth, you can see the candy in the back of his oropharynx. What would your next action be?

A) Provide five abdominal thrusts B) Attempt to retrieve and remove the candy C) Check the brachial pulse D) Perform a blind finger sweep