Nitrox Certification Course Questions and Correct Answers

What is Nitrox Nitrox contains a higher percentage of oxygen, unlike air which normally contains approximately 79 percent nitrogen and 21 percent oxygen. Nitrox primary benefits extend your bottom times and to shorten your surface intervals significantly compared to your previous air-dives what is EAN32: enriched air nitrox with 32% oxygen : 68% nitrogen FO2 is 32 (Fraction of Oxygen) what is EAN36: enriched air nitrox with 36% oxygen : 64% nitrogen How long, in any 24-hour period, you can be exposed to a Nitrox mixture at its maximum operating depth (MOD)? you will have a cumulative time limit for oxygen exposure at the maximum operating depth(MOD) of 2:30 hours in any 24-hour period How long, in a single dive, can one be exposed to a Nitrox mixture at its maximum operating depth(MOD) the oxygen exposure time limit for a single dive is 45 minutes at a given maximum operating depth(MOD) What is Advanced Nitrox Gas mixtures containing more than 40% oxygen are sometimes called Advanced Nitrox or Technical Nitrox. Normal Air that we breathe is comprised of what % oxygen and nitrogen 21% oxygen and 79% nitrogen How can a dive computer help you avoid decompression sickness? it will calculate approximately the amount of nitrogen absorbed by your body, and indicates when it is time to ascend and the rate at which it is safest to ascend What may happen if you go too deep or stay too long during a dive? you must stop at a particular depth to allow the excess nitrogen in your body time to escape without causing problems. What does the term decompression stop mean? Your computer may require you to make one stop or a series of stops, commonly known as decompression stops. What are three reasons why sport divers should avoid decompression diving? decompression diving requires specialized training, additional equipment, and topside support.