NAUI NITROX DIVER ACTUAL EXAM QUESTIONS |HIGH
YIELD QUESTIONS AND ANSWERS | MOST HIGHLY
TESTED QUESTIONS AND WELL VERIFIED ANSWERS |
EXPERT VERIFIED FOR GUARANTEE PASS | ACTUAL
EXAM WITH UPDATED QUESTIONS | REVIEWED AND
RATIONALIZED!!!
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
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 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
____ law states: "at a constant temperature, the volume of a gas
varies inversely with absolute pressure, while the density of a gas
varies directly with absolute pressure."
ANSWER:<< Boyle's
each 10 meters (33 feet) that you descend in the ocean adds another
atmosphere of pressure to the one atmosphere of surface pressure
ANSWER:<< true
a diver suffering from nitrogen narcosis will always be aware that he
is impaired
ANSWER:<< false
the mechanisms of nitrogen narcosis are thought to be similar to
ANSWER:<< anesthesia
the controlled release of pressure during ascent from a scuba dive is
ANSWER:<< decompression
which gas in air is essential to sustain life?
, ANSWER:<< oxygen
the primary waste product from the metabolism of oxygen is
ANSWER:<< carbon dioxide
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
YIELD QUESTIONS AND ANSWERS | MOST HIGHLY
TESTED QUESTIONS AND WELL VERIFIED ANSWERS |
EXPERT VERIFIED FOR GUARANTEE PASS | ACTUAL
EXAM WITH UPDATED QUESTIONS | REVIEWED AND
RATIONALIZED!!!
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
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 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
____ law states: "at a constant temperature, the volume of a gas
varies inversely with absolute pressure, while the density of a gas
varies directly with absolute pressure."
ANSWER:<< Boyle's
each 10 meters (33 feet) that you descend in the ocean adds another
atmosphere of pressure to the one atmosphere of surface pressure
ANSWER:<< true
a diver suffering from nitrogen narcosis will always be aware that he
is impaired
ANSWER:<< false
the mechanisms of nitrogen narcosis are thought to be similar to
ANSWER:<< anesthesia
the controlled release of pressure during ascent from a scuba dive is
ANSWER:<< decompression
which gas in air is essential to sustain life?
, ANSWER:<< oxygen
the primary waste product from the metabolism of oxygen is
ANSWER:<< carbon dioxide
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
