8/17/25, 8:22 AM
NAUI NITROX DIVER FINAL EXAM QUESTIONS AND
ANSWERS (VERIFIED ANSWERS) (LATEST UPDATE
2025) UPDATE!!
The main reason to dive with Nitrogen
"nitrox" is to reduce exposure
to some of the problems in
diving caused by:
We say that nitrogen is an Our bodies do not use the nitrogen we breathe.
inert gas. This means
_______.
What is the primary safety hazard Narcosis
of breathing nitrogen at depth?
NAUI sanctioned enriched air 1992
nitrox training in:
Extended
Benefits of nitrox include: bottom time
Increased safety
margins Shorter
surface intervals
The greatest advantages for diving 15- 33 msw (50-110 fsw)
using nitrox occur in what depth
range?
True or False: A scuba diver False
breathing nitrox avoids any
1/8
, 8/17/25, 8:22 AM
risk of nitrogen narcosis.
If a nitrox mix is 36% oxygen, 0.36
what is the fraction of oxygen in
the gas mix?
_____ describes the Boyle's Law
relationship between absolute
pressure and the volume of a
gas.
To find the partial pressure of a Multiply the gas fraction by the absolute pressure.
gas in a mixture:
The water pressure plus Absolute pressure
atmospheric pressure equals:
What is the absolute pressure at 4.4 ata
34 msw (111 fsw)?
2/8
NAUI NITROX DIVER FINAL EXAM QUESTIONS AND
ANSWERS (VERIFIED ANSWERS) (LATEST UPDATE
2025) UPDATE!!
The main reason to dive with Nitrogen
"nitrox" is to reduce exposure
to some of the problems in
diving caused by:
We say that nitrogen is an Our bodies do not use the nitrogen we breathe.
inert gas. This means
_______.
What is the primary safety hazard Narcosis
of breathing nitrogen at depth?
NAUI sanctioned enriched air 1992
nitrox training in:
Extended
Benefits of nitrox include: bottom time
Increased safety
margins Shorter
surface intervals
The greatest advantages for diving 15- 33 msw (50-110 fsw)
using nitrox occur in what depth
range?
True or False: A scuba diver False
breathing nitrox avoids any
1/8
, 8/17/25, 8:22 AM
risk of nitrogen narcosis.
If a nitrox mix is 36% oxygen, 0.36
what is the fraction of oxygen in
the gas mix?
_____ describes the Boyle's Law
relationship between absolute
pressure and the volume of a
gas.
To find the partial pressure of a Multiply the gas fraction by the absolute pressure.
gas in a mixture:
The water pressure plus Absolute pressure
atmospheric pressure equals:
What is the absolute pressure at 4.4 ata
34 msw (111 fsw)?
2/8
