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NAUI Nitrox Diver Exam Questions with correct Answers $11.49   Add to cart

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NAUI Nitrox Diver Exam Questions with correct Answers

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  • NAUI divemaster
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  • NAUI Divemaster

NAUI Nitrox Diver Exam Questions with correct Answers

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  • September 14, 2024
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  • Exam (elaborations)
  • Questions & answers
  • NAUI divemaster
  • NAUI divemaster
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NAUI Nitrox Diver Exam Questions with
correct Answers

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. - Answer -Mid-Range

Nitrox provides the greatest advantages for dives in the _____ depth range. - Answer -
15-33m (50-110ft)

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 -760mmHg

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 -.28

What is the partial pressure of oxygen in air at a depth of 21 msw (69 fsw)? - Answer -
.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 Law

True or False: A diver suffering from nitrogen narcosis will always be aware that he/she
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 persons, 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 -
Con V E N T I D.

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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