SDI Computer Nitrox Questions and Answers (1).pdf file:///C:/Users/User/Downloads/SDI%20Computer%20Nitrox%20Qu
SDI Computer Nitrox Questions and Answers
1. True
ANS True or False. Oxygen Enriched Air is a term some divers use to refer to
Nitrox.
2. Nitrogen and Oxygen
ANS The air we normally breathe consists primarily of
3. Enriched Air, Enriched Air Nitrox, Nitrox, Etc.
ANS A mixture of nitrogen and oxygenin which the percentage of oxygen is greater
than that found in air is generally called
ANS
4. Blender
ANS The person who creates the Nitrox used to fill scuba cylinders is referredto as a
5. EAN21
ANS Which of the following is not a Nitrox mixture? EAN24, EAN21, EAN40
6. Longer bottom times and shorter surface intervals
ANS The primary benefits ofusing Nitrox include
7. 150 Minutes or 2.5 hours
ANS During any 24-hour period, you can be exposed to aNitrox mixture at its
Maximum Operating Depth (MOD) for up to
ANS
8. False
ANS True or False. Dive computers work by monitoring the presences ofso-
called 'silent bubbles using ultrasound.
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,SDI Computer Nitrox Questions and Answers (1).pdf file:///C:/Users/User/Downloads/SDI%20Computer%20Nitrox%20Qu
9. You may not be able to make a direct ascent to the surface without substan-
tially increasing your risk of decompression sickness and your dive computer
may require you to make a series of decompression stops
ANS What may happenif you go too deep or stay too long?
10. Pausing at a fixed depth for a specified period of time to allow excess
nitrogen to exit you body more slowly
ANS A decompression stop is
11. Specialized training, Additional equipment, and Topside support
ANS To prop-erly engage in decompression diving requires
12. Nitrogen, ascend
ANS Decompression sickness usually occurs when you have anexcess amount of
in your body and you too quickly.
13. Pain in the joints, Numbness and paralysis, and Loss of balance
ANS The mostcommon symptoms of decompression sickness can include, but are
not limited to
ANS
14. Administration of pure oxygen
ANS The most important first-aid procedure for adiver suspected of suffering
from decompression sickness is
ANS
15. Recompression in a hyperbaric chamber
ANS Once a diver suspected of sufferingfrom decompression sickness has been
transported to a medical facility, proper treatment will primarily involve
ANS
16. 16 percent
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2 of 7 9/16/2024, 4:59
SDI Computer Nitrox Questions and Answers
1. True
ANS True or False. Oxygen Enriched Air is a term some divers use to refer to
Nitrox.
2. Nitrogen and Oxygen
ANS The air we normally breathe consists primarily of
3. Enriched Air, Enriched Air Nitrox, Nitrox, Etc.
ANS A mixture of nitrogen and oxygenin which the percentage of oxygen is greater
than that found in air is generally called
ANS
4. Blender
ANS The person who creates the Nitrox used to fill scuba cylinders is referredto as a
5. EAN21
ANS Which of the following is not a Nitrox mixture? EAN24, EAN21, EAN40
6. Longer bottom times and shorter surface intervals
ANS The primary benefits ofusing Nitrox include
7. 150 Minutes or 2.5 hours
ANS During any 24-hour period, you can be exposed to aNitrox mixture at its
Maximum Operating Depth (MOD) for up to
ANS
8. False
ANS True or False. Dive computers work by monitoring the presences ofso-
called 'silent bubbles using ultrasound.
1/3
1 of 7 9/16/2024, 4:59
,SDI Computer Nitrox Questions and Answers (1).pdf file:///C:/Users/User/Downloads/SDI%20Computer%20Nitrox%20Qu
9. You may not be able to make a direct ascent to the surface without substan-
tially increasing your risk of decompression sickness and your dive computer
may require you to make a series of decompression stops
ANS What may happenif you go too deep or stay too long?
10. Pausing at a fixed depth for a specified period of time to allow excess
nitrogen to exit you body more slowly
ANS A decompression stop is
11. Specialized training, Additional equipment, and Topside support
ANS To prop-erly engage in decompression diving requires
12. Nitrogen, ascend
ANS Decompression sickness usually occurs when you have anexcess amount of
in your body and you too quickly.
13. Pain in the joints, Numbness and paralysis, and Loss of balance
ANS The mostcommon symptoms of decompression sickness can include, but are
not limited to
ANS
14. Administration of pure oxygen
ANS The most important first-aid procedure for adiver suspected of suffering
from decompression sickness is
ANS
15. Recompression in a hyperbaric chamber
ANS Once a diver suspected of sufferingfrom decompression sickness has been
transported to a medical facility, proper treatment will primarily involve
ANS
16. 16 percent
2/3
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