NAUI Nitrox Diver
12 Introduction
CHAPTER 1: INTRODUCTION - KNOWLEDGE REVIEW
1. The nitrogen in the air you are breathing limits
___________________________________________________________________,
___________________________________________________________________, and
___________________________________________________________________.
2. The gas mixture that is higher in oxygen and lower in nitrogen has been given several names, including:
______________________________,
______________________________, and
______________________________.
3. When diving, _________________________________________________________ causes
additional nitrogen to be dissolved in our tissues.
4. In 1878, Paul Bert established that _____________, liberated as bubbles following sudden decompression,
was the cause of __________________________________________.
5. Credit for developing and introducing nitrox diving techniques for standard scuba goes to
________________________________________.
6. NAUI officially endorsed nitrox training by NAUI instructors in ___________.
7. Advantages of nitrox include:
a) ____________________________________________________________________.
b) ____________________________________________________________________.
c) ____________________________________________________________________.
d) ____________________________________________________________________.
8. Nitrox is a ___________________ breathing gas and provides the greatest advantages for dives in the
_______________________________ depth range.
9. The “x” in EANx is often replaced with the ______________________________.
10. A ______________ compares the quantity of the component gas to a total of 100; a
_____________________________ compares it to one.