and Answer (2026/2027) | 100% Verified
Answers
• What is the first thing to consider before attempting an in water rescue? -✓✓
whether you need to get in the water at all
• Second thing to consider before attempting a rescue? -✓✓ Do you have the
equipment and training necessary for your safety and the victim's safety?
• Third thing to consider before attempting a rescue? -✓✓ Can you reasonably
expect to accomplish the rescue without getting onto trouble yourself? Protect
yourself first
• Diver stress is... -✓✓ the physical and psychological responses to a perceived
threat
• Stress is... -✓✓ Physical or mental tension that results in physical, chemical
and/or emotional (psychological) changes in the body
• Causes of physical stress include... -✓✓ *cold, heat, and fatigue
Also: dehydration, Seasickness, gas narcosis, illness or injury, alcohol or drugs,
discomfort in equipment
• Causes of psychological stress include... -✓✓ peer pressure and task loading
• What is perceptual narrowing? -✓✓ the tendency under stress to be less broadly
aware and more focused on a perceived threat and/or solutions to that threat
, • The effects of stress on a diver can include... -✓✓ anxiety, increased breathing,
perceptual narrowing, and panic
• What is a well stocked first aid kit for? -✓✓ it is intended to help manage small
problems and to stabilize major problems until reaching emergency medical care
• What is a pocket mask? (Resuscitator/CPR mask) -✓✓ a mask that is placed on
the patients face specifically designed to facilitate rescue breathing
• 4 advantages to a pocket mask -✓✓ 1. Simplifies effective seal and head
positioning
2. Reduces disease transmission risk
3. Can be used for inwater rescue breathing for non breathing diver
4. Can connect a pocket mask to emergency oxygen and provide oxygenated
rescue breaths
• Why is it important to have emergency oxygen available? -✓✓ prompt oxygen
first aid can make a difference in the case of decompression sickness, lung
expansion injury or near drowning
• What are the three primary types of emergency oxygen systems? -✓✓ non
resuscitator demand valve systems
continuous flow systems
positive pressure resuscitator systems