Decompression sickness - Study guides, Class notes & Summaries

NAUI eLearning (SCUBA) Questions and Answers Already Passed What is the importance of equalizing pressure during a dive? Equalizing pressure prevents discomfort or injury to the eardrums and sinuses due to changes in ambient pressure as a diver descends or ascends. What should a diver do if they feel disoriented underwater? The diver should remain calm, stop moving, and assess their surroundings. They can signal their buddy or use a dive light to find their orientation. How does ...

NAUI Final Test Review Questions with Certified Solutions What is the primary objective of a pre-dive safety check? To ensure that all divers' equipment is functioning correctly and that each diver is prepared for a safe dive. How can divers prevent ear barotrauma during descent? By equalizing the pressure in their ears early and often using techniques like swallowing or the Valsalva maneuver. What should you do if you experience rapid breathing underwater? Focus on slowing d...

Which of the following is not true? A. Entering shallow water causes the base of a wave to slow. B. Entering shallow water forces wave energy upward, making the wave crest unstable and causing it to break. C. If the top of a wave moves faster than the bottom, the wave will tend to break. D. Both the first and third answers are true. (Ans- B. Entering shallow water forces wave energy upward, making the wave crest unstable and causing it to break. Which of the following is/are true? A. S...

SSI ITC FINAL EXAM QUESTIONS AND CORRECT ANSWERS (VERIFIED ANSWERS) (2024/2025) ALREADY GRADED A+. Developing the SSI Network benefits dive centers by: A. increasing communication between dive centers and resorts B. only increasing the flow of new divers to resorts C. decreasing communication between dive centers and resorts D. only increasing the flow of new divers to centers - CORRECT ANSWER A. increasing communication between dive centers and resorts What nitrox mix can be used with...

The only accepted treatment for Arterial Gas Embolism is: a) All are accepted treatments b) Immediate recompression by taking the victim underwater to relieve the symptoms c) Stabilize in nearest medical facility and transport to decompression chamber for recompression d) Surgery to repair the ruptured lung - ️️Stabilize in nearest medical facility and transport to decompression chamber for recompression The major, and most common, symptom of decompression sickness is: a) Respiratory...

What are the most common symptoms of decompression sickness? - Pain in the joints, numbness, paralysis, loss of balance, muscle weakness, and impaired thinking What is the recommended first aid for decompression sickness? - Controlling their temperature and administering pure oxygen, then immediately getting them airlifted to a hospital for the decompression chamber What is the minimum concentration of oxygen required to maintain consciousness at sea level? - 16% What is the maximum percentag...

Open Water Diver Course: Quiz 2-A with Complete Solutions What is the primary rule of scuba diving? Never hold your breath while diving; always breathe continuously. Why is it important to equalize your ears during descent? To prevent barotrauma caused by the pressure difference between the outer and middle ear. What should a diver do if they begin to feel overexerted underwater? Stop all activity, rest, and breathe slowly until you recover your normal breathing rate. What is t...

SSI ITC FINAL EXAM QUESTIONS AND CORRECT ANSWERS (VERIFIED ANSWERS) (2024/2025) ALREADY GRADED A+. Developing the SSI Network benefits dive centers by: A. increasing communication between dive centers and resorts B. only increasing the flow of new divers to resorts C. decreasing communication between dive centers and resorts D. only increasing the flow of new divers to centers - CORRECT ANSWER A. increasing communication between dive centers and resorts What nitrox mix can be used with...

The early history of clinical hyperbaric medicine was characterized by a number of largely ill conceived attempts to use hyperbaric and oxygen-enriched air for the treatment of a variety of acute and chronic conditions. Later studies reported the efficacy of hyperbaric oxygen to enhance decompression following exposure to elevated pressures and the subsequent insertion of oxygen into the early United States Navy Decompression Sickness Treatment Tables. CORRECT ANSWER-The early history of clinic...

SSI ITC FINAL EXAM QUESTIONS AND CORRECT ANSWERS (VERIFIED ANSWERS) (2024/2025) ALREADY GRADED A+. Developing the SSI Network benefits dive centers by: A. increasing communication between dive centers and resorts B. only increasing the flow of new divers to resorts C. decreasing communication between dive centers and resorts D. only increasing the flow of new divers to centers - CORRECT ANSWER A. increasing communication between dive centers and resorts What nitrox mix can be used with...