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...
NAUI Nitrox Diver Correct
100%
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 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? - ANSWER 760 mmHg
for most people, symptoms of hypoxia begin to appear when the PO2 - ANSWER falls below about 0.16
ata
pulmonary oxygen toxicity results from - ANSWER prolonged exposure to elevated oxygen partial
pressures
one of the factors that can increase susceptibility to CNS oxygen toxicity is - ANSWER heavy exercise and
carbon dioxide buildup
the acronym used to remember signs and symptoms of oxygen toxicity is - ANSWER ConVENTID
the recommended maximum PO2 for enriched air nitrox diving is - ANSWER 1.4 ata
the first precursor symptom of CNS oxygen toxicity is - ANSWER precursor symptoms are highly variable
a stuporous condition characterized by impaired mental and physical performance and changes in mood
and behavior is known as - ANSWER nitrogen narcosis
the two most commonly used nitrox mixtures, also known as NOAA Nitrox I and NOAA Nitrox II are -
ANSWER 32% and 36% oxygen
the maximum operating depth (MOD) of a gas mix is determined by - ANSWER the maximum acceptable
partial pressure of oxygen
calculate the normal maximum operating depth for EAN32 (PO2 = 1.4 ata) - ANSWER 34 msw (111 fsw)
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