SSI ENRICHED AIR NITROX EXAM
QUESTIONS AND ANSWERS
EAN 32 & EAN 36 - Correct Answers -The two most commonly used nitrox mixtures in
recreational diving are:
Nitrogen - Correct Answers -The major benefit of diving with nitrox is that it has a lower
concentration of______, which limits our time at depth.
21% - Correct Answers -Nitrox and the acronym EANx refer to mixtures with oxygen
concentrations (FO2) higher than:
Using the no-decompression limits of an air computer or air tables - Correct Answers -
While diving nitrox, you can improve your safety by:
Nitrox has more restrictive depth limitations than air - Correct Answers -Which of the
following is true about diving with nitrox:
EAN32, EAN36, EAN40 - Correct Answers -What nitrox mixture can be used at any
depth shallower than 99 feet?
Ask your SSI Dive Center / Dive Professional if your equipment needs special
preparation / modification - Correct Answers -To make sure your personal equipment is
suitable for nitrox, you have to:
Deeper - Correct Answers -A common misconception is that, when compared to air,
nitrox enables divers to dive:
Lungs and Central Nervous System - Correct Answers -Oxygen can be toxic to all body
tissues. Its most noticeable and immediate effects take place in the:
oxygen toxicity - Correct Answers -Remaining within the recommended limiting ppO2 of
1.4 ata helps nitrox divers avoid:
The required exposure time before symptoms arise is well beyond the duration of most
sport dives - Correct Answers -Pulmonary Oxygen Toxicity (the Lorrain Smith Effect)
poses no real risk to recreational divers because:
QUESTIONS AND ANSWERS
EAN 32 & EAN 36 - Correct Answers -The two most commonly used nitrox mixtures in
recreational diving are:
Nitrogen - Correct Answers -The major benefit of diving with nitrox is that it has a lower
concentration of______, which limits our time at depth.
21% - Correct Answers -Nitrox and the acronym EANx refer to mixtures with oxygen
concentrations (FO2) higher than:
Using the no-decompression limits of an air computer or air tables - Correct Answers -
While diving nitrox, you can improve your safety by:
Nitrox has more restrictive depth limitations than air - Correct Answers -Which of the
following is true about diving with nitrox:
EAN32, EAN36, EAN40 - Correct Answers -What nitrox mixture can be used at any
depth shallower than 99 feet?
Ask your SSI Dive Center / Dive Professional if your equipment needs special
preparation / modification - Correct Answers -To make sure your personal equipment is
suitable for nitrox, you have to:
Deeper - Correct Answers -A common misconception is that, when compared to air,
nitrox enables divers to dive:
Lungs and Central Nervous System - Correct Answers -Oxygen can be toxic to all body
tissues. Its most noticeable and immediate effects take place in the:
oxygen toxicity - Correct Answers -Remaining within the recommended limiting ppO2 of
1.4 ata helps nitrox divers avoid:
The required exposure time before symptoms arise is well beyond the duration of most
sport dives - Correct Answers -Pulmonary Oxygen Toxicity (the Lorrain Smith Effect)
poses no real risk to recreational divers because:
