True or False: A demand valve flows only when the injured diver inhales, allowing the oxygen to last longer.
The risks of handling oxygen can be reduced by:
True or False: The most important initial actions in responding to diving accidents are to recognize there is a problem, administer 100 percent oxygen and activate emergency medical services.
Percentage of oxygen delivered when using a demand valve is influenced by:
True or False: The first priority when attending to injured divers is to take them to the nearest appropriate medical facility for evaluation rather than directly to a hyperbaric chamber.
In the event of a dive accident, as a first aid provider your responsibility is to:
Providing a high concentration of oxygen to an injured diver may provide which of the following benefits?
An absence of oxygen:
Which of the following are two important considerations when selecting an oxygen cylinder?
The atmospheric air we inhale contains ____% oxygen.
In remote areas, the priority in oxygen delivery is:
Oxygen regulators should be serviced:
