and Answer (2026/2027) | Final Review
• The first thing to consider before attempting an inwater rescue is how fast you
should swim -✓✓ False; whether you need to get in the water at all
• Diver stress is -✓✓ the physical and psychological responses to a perceived threat
• Causes of physical stress include -✓✓ cold and heat; fatigue
• Causes of psychological stress include -✓✓ task loading; peer pressure
• Perceptual narrowing is the tendency under stress to be less broadly aware and
more focused on a perceived threat and/or solutions to that threat -✓✓ True
• The effects of stress on a diver can include -✓✓ anxiety, perceptual narrowing,
increased breathing, panic
• well-stocked first aid kit is intended to help manage small problems, and to
stabilize major problems until reaching emergency medical care -✓✓ True
• A pocket mask is something a rescuer wears to prevent disease transmission -✓✓
False; a pocket mask is placed on the patient's face
• advantages of a pocket mask include that -✓✓ -it simplifies making an effective
seal
-it reduces disease transmission
, -you can use it for inwater rescue breathing
-you can provide oxygenated rescue breaths with it
• it's important to have emergency oxygen available because prompt oxygen first
aid can make a difference in the case of decompression sickness, lung over-
expansion injury or drowning -✓✓ True
• The three primary types of emergency oxygen systems include -✓✓ -non-
resuscitator demand valve systems
-continuous flow systems
-positive pressure resuscitator systems
• ______ work much like a scuba regulator, supplying 100% oxygen when the
diver inhales -✓✓ non-resuscitator demand valve systems
• The emergency oxygen system suitable for use by PADI Rescue Divers include -
✓✓ -nonresuscitator demand valve systems
-continuous flow systems
• For general purposes in areas with ready access to emergency medical services,
an emergency oxygen supply of 40 to 50 minutes to normal -✓✓ true
• An AED... -✓✓ is a device that delivers a shock in an attempt to restart the heart
• The primary benefit of an AED is that it shortens the interval between the loss of
heartbeat and attempts to restart the heart -✓✓ true