NAUI NITROX CERTIFICATION EXAM ACTUAL 2025/2026

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NAUI NITROX CERTIFICATION EXAM ACTUAL 2025/2026 QUESTIONS AND 100% CORRECT ANSWERS The _____ in the air you are breathing limits the time you can stay at depth. - Answer -Nitrogen In the early twentieth century, a quantitative model for nitrogen loading and dive tables were developed by _____. - Answer -John Scott Haldane We say that nitrogen is an inert gas. This means _____. - Answer -Our bodies do not use the nitrogen we breathe Credit for developing and introducing nitrox diving techniques for standard scuba goes to _____. - Answer -Dr. Morgan Wells NAUI sanctioned enriched air nitrox training in _____. - Answer -1992 Two benefits of diving with nitrox are _____. - Answer -Longer dive times and shorter surface intervals What does the "x" stand for in the term EANx? - Answer -The percentage of oxygen in the mix. In 1878, Paul Bert established that _____, liberated as bubbles following sudden decompression was the cause of decompression sickness. - Answer -Nitrogen Nitrox is a _____ breathing gas. Need assistance on Online classes, Exams & Assignments? Reach out for instant help!! Full Course Assistance, Plagiarism-free Essay Writing, Research Paper, Dissertation, Discussion Posts, etc…. Confidential & Secure services. Tutors are available for all subjects! Email now at: tutorjean01@gmail.com - Answer -Mid-range Nitrox provides the greatest advantages for dives in the _____ depth range. - Answer -15-33 m (50-110 ft) As a gas is heated in a rigid closed container its pressure will _____. - Answer -Increase "If one quantity of gas will dissolve at one atmosphere of pressure, then three quantities of gas will dissolve at three atmospheres." This statement refers to which law? - Answer -Henry's Law Atmospheric pressure can be measured in many ways. What is one atmosphere in millimeters of mercury? - Answer -760 mmHg The _____ of a specific gas in a mix is the portion of the total pressure exerted by that gas. - Answer -Partial pressure What is the absolute pressure at 17 msw (56 fsw)? - Answer -2.7 ata What is the oxygen partial pressure (PO2) in EAN35 at a depth of 26 msw (85 fsw)? - Answer -1.3 ata If the oxygen partial pressure in your mix is 1.3 ata at a depth of 37 msw (122 fsw), what is the fraction of oxygen in the mix? - Answer -0.28 What is the partial pressure of oxygen in air at a depth of 21 msw (69 fsw)? - Answer -0.65 ata The symptoms of nitrogen narcosis parallel those often seen in _____. - Answer -Alcohol intoxication Need assistance on Online classes, Exams & Assignments? Reach out for instant help!! Full Course Assistance, Plagiarism-free Essay Writing, Research Paper, Dissertation, Discussion Posts, etc…. Confidential & Secure services. Tutors are available for all subjects! Email now at: tutorjean01@gmail.com