Knowledge Development Two

Knowledge Development Two Question 1 Question 6 Question 2 Question 7 Question 3 Rescue - Knowledge Review Two Question 8 Question 4 Question 9 Question 5 Question 10 Prescriptive

Knowledge Review Two – Question 1 • Explain the two steps to apply to recognize stress in a diver, and what you should do when you recognize it. • 1. Direct observation. • 2. Ask the diver about what you’ve observed. • Ask about your concerns privately in an open, caring and nonjudgmental manner. Rescue - Knowledge Review Two Prescriptive

Knowledge Review Two – Question 2 • What three points does the dive community generally agree upon regarding alternate air sources? • 1. Should be clearly identified. • 2. Should not be allowed to dangle. • 3. Should be secured in the triangle formed by your chin and the corners of your rib cage. Rescue - Knowledge Review Two Prescriptive

Knowledge Review Two – Question 3 • What are the six general causes of equipment-related problems? • 1. Using unfamiliar equipment. • 2. Using equipment that doesn't work. • 3. Using makeshift or obsolete equipment. • 4. Not using equipment essential for the dive environment. • 5. Using modified equipment. • 6. Using equipment that is not properly maintained or inspected. Rescue - Knowledge Review Two Prescriptive i

Knowledge Review Two – Question 4 • What are the six types of releases commonly found in scuba systems? What is at least one problem each may have? Rescue - Knowledge Review Two Prescriptive i

Knowledge Review Two – Question 5 • What are the three forms of aquatic life injuries? • 1. Bites. • 2. Cuts, abrasions or punctures. • 3. Stings Rescue - Knowledge Review Two Prescriptive

Knowledge Review Two – Question 6 • What is the common treatment for aquatic life injuries? • Begin with primary assessment. • Remove spines or stingers with forceps. • Soak affected area. • If injury occurred to limb, keep limb below heart level. • Treat for shock. • Maintain the ABCD’S and get emergency medical care as soon as possible. Rescue - Knowledge Review Two Prescriptive i

Knowledge Review Two – Question 7 • What is the basic first aid for jellyfish stings? • Follow local protocol. • Get emergency care as soon as possible. Rescue - Knowledge Review Two Prescriptive

Knowledge Review Two – Question 8 • Describe the techniques and considerations for responding to a responsive diver at the surface from a distance, including the use of emergency flotation. • Take mask, snorkel, fins and flotation device. • Enter water as close as possible to distressed victim. • Keep your head up and eyes on the victim. • Pace yourself. • Stop out of reach; evaluate victim’s mental state and equipment. • Establish buoyancy. • Use emergency flotation device to tow victim to safety. Rescue - Knowledge Review Two Prescriptive

Knowledge Review Two – Question 9 • What are the general criteria for tows used for transporting a distressed diver in the water? • Diver’s face out of the water. • Drag is minimized. • You must be able to maintain control. • Your swimming should not be restricted. • The tow allows you to communicate with the tired diver. Rescue - Knowledge Review Two Prescriptive

Knowledge Review Two – Question 10 • What three concerns do you need to handle with a responsive diver once you get on the boat or shore? • 1. Assess the diver for injuries or illness. • 2. If you find a serious medical condition, contact EMS. • 3. Be sensitive to the diver’s feelings. Rescue - Knowledge Review Two Prescriptive

Knowledge Review Two – Question 1 • Direct observation. • Look for behavioral changes. • Ask the diver about what you’ve observed. • Do not pressure the diver. • Ask about your concerns privately in an open, caring and nonjudgmental manner. Rescue - Knowledge Review Two Return

Knowledge Review Two – Question 2 Rescue - Knowledge Review Two Return

Knowledge Review Two – Question 3 • By far the biggest problems are from failing to check and inspect equipment before diving with it. • Perform a proper predive safety check before entering the water. Rescue - Knowledge Review Two Return

Knowledge Review Two – Question 4 6. 4. 2. 5. 1. Rescue - Knowledge Review Two 3. Return

Three forms of aquatic life injuries. Bites. Abrasions, cuts or punctures. Stings or venomous wounds. Do not use unprotected handsto remove tentacle pieces orother stingers. Use forceps or other tools togently lift the pieces off and/or irrigate the wound withsalt water. Knowledge Review Two – Question 5 Rescue - Knowledge Review Two Return

Knowledge Review Two – Question 6 • Begin with primary assessment. • Handle as you would any wound. • Make sure the patient receives the medical care needed to prevent infection. Rescue - Knowledge Review Two Return

Knowledge Review Two – Question 7 • Assure ABCD’S. • Protect yourself. • First aid varies from applying vinegar (box jellyfish) to applying ice packs (bluenose). • It’s important to consult local practices for basic first aid procedures. Rescue - Knowledge Review Two Return

Knowledge Review Two – Question 8 • Keep your eyes on the victim at all times. • Get mask, snorkel, and fins. • Take a flotation device if available. • Enter water as close as possible to victim. • Pace yourself. • Use quick reverse to evaluate victim. • Extend flotation device to victim and tow to safety. Rescue - Knowledge Review Two Return

Knowledge Review Two – Question 9 • Effective tows include: • Underarm tow. • Modified tired swimmers carry. • Tank valve tow. Rescue - Knowledge Review Two Return

Knowledge Review Two – Question 10 • Assess and take care of injuries. • Contact emergency medical care if necessary. • Be sensitive to the diver. • Emphasize what the diver did right. Rescue - Knowledge Review Two Return

Knowledge Development Two