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SDI Computer Nitrox class Questions
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Quiz: What are the most common symptoms of decompression
sickness?
Ans: Pain in the joints, numbness, paralysis, loss of balance, muscle
weakness, and impaired thinking
Quiz: What is the recommended first aid for decompression
sickness?
Ans: Controlling their temperature and administering pure oxygen, then
immediately getting them airlifted to a hospital for the decompression
chamber
Quiz: What is the minimum concentration of oxygen required to
maintain consciousness at sea level?
Ans: 16%
Quiz: What is the maximum percentage of oxygen that sport divers
use in a Nitrox mixture?
Ans: 40%
Sunday, 02 March 2025
, Quiz: What is the maximum recommended depth for using 100
percent oxygen?
Ans: 20 feet
Quiz: What FO2 does EAN 32 contain?
Ans: 68 percent nitrogen and 32 percent oxygen
Quiz: What are two reasons why EAN32 is a good choice for Nitrox
diving?
Ans: Will provide you with a good combination of extended bottom time and
unrestricted depth within the sport diving range, &. using EAN32 poses
less risk in terms of exposure to oxygen than other richer mixtures.
Quiz: What is the maximum partial pressure of oxygen (PO2) we
use in Nitrox diving?
Ans: 1.6
Quiz: What does the term oxygen toxicity mean?
Ans: condition that occurs when the diver breathes a mixture of gas that
allows the PO2 to exceed 1.6 by going too deep or exceeding the
time limit at a lower PO2
Quiz: What is the primary risk associated with Nitrox diving?
Ans: Oxygen poisoning
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