Which type of external bleeding is often difficult to control due to substantial force of the blood and is a true medical emergency?

When assessing an unresponsive older person's airway, it is MOST important to remember that:

A) delayed gastric emptying increases the risk of aspiration. B) age-related tooth loss may cause obstruction of the airway. C) a marked reduction in saliva causes dryness of the oral mucosa. D) the head should not be extended due to weakened cervical vertebrae.

What system should be operated when a platform's nozzle is operating over a fire or near an exposure?

A. Water injector B. Mister C. Platform sprinkler D. Flow meter