NAUI Nitrox Exam A. Questions with
Correct Verified Answers. Latest 2026-
2027. Graded A
1. The ___________ in the air you are breathing limits the time you can
stay at depth.
a. Water vapor
b. Nitrogen
c. Oxygen
d. All of the above - ANS
2. In the early twentieth century, a quantitative model for nitrogen loading
and dive
tables were developed by:
a. Paul Bert.
b. Gene Nohl.
c. A. A. Bühlmann.
d. J. S. Haldane. - ANS
3. We say that nitrogen is an inert gas. This means:
a. Nitrogen molecules do not move.
b. Our bodies do not use the nitrogen we breathe.
c. Nitrogen does not form compounds with other elements.
d. Nitrogen cannot be cooled to condense as a liquid - ANS
1
Correct Verified Answers. Latest 2026-
2027. Graded A
1. The ___________ in the air you are breathing limits the time you can
stay at depth.
a. Water vapor
b. Nitrogen
c. Oxygen
d. All of the above - ANS
2. In the early twentieth century, a quantitative model for nitrogen loading
and dive
tables were developed by:
a. Paul Bert.
b. Gene Nohl.
c. A. A. Bühlmann.
d. J. S. Haldane. - ANS
3. We say that nitrogen is an inert gas. This means:
a. Nitrogen molecules do not move.
b. Our bodies do not use the nitrogen we breathe.
c. Nitrogen does not form compounds with other elements.
d. Nitrogen cannot be cooled to condense as a liquid - ANS
1
