EMILLYCHARLOTTE 2024/2025 ACADEMIC YAER
©2024 EMILLYCHARLOTTE. ALL RIGHTS RESERVED
FIRST PUBLISH SEPTEMBER 2024
SDI Computer Nitrox Exam Questions
and Answers | 100% Pass
True - Answer✔✔-True or False. Oxygen Enriched Air is a term some divers use to
refer to Nitrox.
Nitrogen and Oxygen - Answer✔✔-The air we normally breathe consists primarily of:
Enriched Air, Enriched Air Nitrox, Nitrox, Etc. - Answer✔✔-A mixture of nitrogen and
oxygen in which the percentage of oxygen is greater than that found in air is generally
called:
Blender - Answer✔✔-The person who creates the Nitrox used to fill scuba cylinders is
referred to as a:
EAN21 - Answer✔✔-Which of the following is not a Nitrox mixture? EAN24, EAN21,
EAN40
Longer bottom times and shorter surface intervals - Answer✔✔-The primary benefits
of using Nitrox include:
150 Minutes or 2.5 hours - Answer✔✔-During any 24-hour period, you can be
exposed to a Nitrox mixture at its Maximum Operating Depth (MOD) for up to:
False - Answer✔✔-True or False. Dive computers work by monitoring the presences
of so-called 'silent bubbles using ultrasound.
1/6
, EMILLYCHARLOTTE 2024/2025 ACADEMIC YAER
©2024 EMILLYCHARLOTTE. ALL RIGHTS RESERVED
FIRST PUBLISH SEPTEMBER 2024
You may not be able to make a direct ascent to the surface without substantially
increasing your risk of decompression sickness and your dive computer may require
you to make a series of decompression stops - Answer✔✔-What may happen if you
go too deep or stay too long?
Pausing at a fixed depth for a specified period of time to allow excess nitrogen to exit
you body more slowly - Answer✔✔-A decompression stop is:
Specialized training, Additional equipment, and Topside support - Answer✔✔-To
properly engage in decompression diving requires:
Nitrogen, ascend - Answer✔✔-Decompression sickness usually occurs when you
have an excess amount of __________ in your body and you ________ too quickly.
Pain in the joints, Numbness and paralysis, and Loss of balance - Answer✔✔-The
most common symptoms of decompression sickness can include, but are not limited to:
Administration of pure oxygen - Answer✔✔-The most important first-aid procedure for
a diver suspected of suffering from decompression sickness is:
Recompression in a hyperbaric chamber - Answer✔✔-Once a diver suspected of
suffering from decompression sickness has been transported to a medical facility,
proper treatment will primarily involve:
16 percent - Answer✔✔-What is the minimum concentration of oxygen required to
maintain consciousness at sea level?
40 percent - Answer✔✔-The maximum percentage of oxygen that sport divers use in
a Nitrox mixture is:
2/6
©2024 EMILLYCHARLOTTE. ALL RIGHTS RESERVED
FIRST PUBLISH SEPTEMBER 2024
SDI Computer Nitrox Exam Questions
and Answers | 100% Pass
True - Answer✔✔-True or False. Oxygen Enriched Air is a term some divers use to
refer to Nitrox.
Nitrogen and Oxygen - Answer✔✔-The air we normally breathe consists primarily of:
Enriched Air, Enriched Air Nitrox, Nitrox, Etc. - Answer✔✔-A mixture of nitrogen and
oxygen in which the percentage of oxygen is greater than that found in air is generally
called:
Blender - Answer✔✔-The person who creates the Nitrox used to fill scuba cylinders is
referred to as a:
EAN21 - Answer✔✔-Which of the following is not a Nitrox mixture? EAN24, EAN21,
EAN40
Longer bottom times and shorter surface intervals - Answer✔✔-The primary benefits
of using Nitrox include:
150 Minutes or 2.5 hours - Answer✔✔-During any 24-hour period, you can be
exposed to a Nitrox mixture at its Maximum Operating Depth (MOD) for up to:
False - Answer✔✔-True or False. Dive computers work by monitoring the presences
of so-called 'silent bubbles using ultrasound.
1/6
, EMILLYCHARLOTTE 2024/2025 ACADEMIC YAER
©2024 EMILLYCHARLOTTE. ALL RIGHTS RESERVED
FIRST PUBLISH SEPTEMBER 2024
You may not be able to make a direct ascent to the surface without substantially
increasing your risk of decompression sickness and your dive computer may require
you to make a series of decompression stops - Answer✔✔-What may happen if you
go too deep or stay too long?
Pausing at a fixed depth for a specified period of time to allow excess nitrogen to exit
you body more slowly - Answer✔✔-A decompression stop is:
Specialized training, Additional equipment, and Topside support - Answer✔✔-To
properly engage in decompression diving requires:
Nitrogen, ascend - Answer✔✔-Decompression sickness usually occurs when you
have an excess amount of __________ in your body and you ________ too quickly.
Pain in the joints, Numbness and paralysis, and Loss of balance - Answer✔✔-The
most common symptoms of decompression sickness can include, but are not limited to:
Administration of pure oxygen - Answer✔✔-The most important first-aid procedure for
a diver suspected of suffering from decompression sickness is:
Recompression in a hyperbaric chamber - Answer✔✔-Once a diver suspected of
suffering from decompression sickness has been transported to a medical facility,
proper treatment will primarily involve:
16 percent - Answer✔✔-What is the minimum concentration of oxygen required to
maintain consciousness at sea level?
40 percent - Answer✔✔-The maximum percentage of oxygen that sport divers use in
a Nitrox mixture is:
2/6
