NAUI Nitrox Diver Exam , Most Recent Exam 2025/2026 Actual Complete Real Exam Questions And Correct Answers (Verified Answers) Already Graded A+ / Newest Exam / Just Released!

NAUI Nitrox Diver Exam , Most Recent Exam 2025/2026 Actual
Complete Real Exam Questions And Correct Answers
(Verified Answers) Already Graded A+ / Newest Exam /
Just Released!




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 - ANSWER-
the maximum acceptable partial pressure
of oxygen