NITROX FULL QUESTIONS AND CORRECT
ANSWERS VERIFIED CERTIFICATION
STUDY PACK
●● 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
sickeness
Answer: nitrogen
●● nitrox is a _____ breathing gas
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?
ANSWERS VERIFIED CERTIFICATION
STUDY PACK
●● 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
sickeness
Answer: nitrogen
●● nitrox is a _____ breathing gas
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?
