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NAUI EXAM WITH QUESTIONS AND ANSWERS 100% CORRECT LATEST UPDATE
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NAUI EXAM WITH QUESTIONS AND ANSWERS 100%CORRECT LATEST UPDATE
Which of the following should a diver do to decrease drag and, consequently, the level of
exertion during a dive?
a) Put more weight on the weight belt or weight system once weighted properly.
b. Streamline his/her body position.
c. Switch to a thin wet suit
d. Breath more times per minute and take shallower breaths with each respiratory
exchange. - ANSWER b
If a diver's surface air consumption rate is 30 psi per minute, what would be his/her
consumption rate at 66 feet of seawater?
a) 90 psi per minute.
b) 10 psi per minute.
c) 60 psi per minute.
d) 50 psi per minute - ANSWER a
A depth that is equal to one atmosphere in the ocean is equal to _________ feet (meters)
in seawater and _________ feet (meters) in freshwater.
a) 34; 33 (10.36;10.06)
b) 33; 34 (10.06;10.36)
c) 35; 33 (10.66;10.06)
d) 33; 33 (10.06;10.06) - ANSWER b
Two ways of measuring air pressure are BAR or
a) quadratic feet per minute
,b) static pounds per minute
c) pounds per square inch
d) running pressure per minute - ANSWER c
Which of the following defines the term "positive buoyancy"?
a) An object displaces an amount of water weighing more than itself.
b) An object displaces an amount of water weighing less than itself.
c) An object displaces the same amount of water as it weighs.
d) None of the above define positive positive buoyancy. - ANSWER a
Pressure in the middle ear is equalized through a part of the body called the:
a) Vascular canal.
b) Intravascular tube.
c) Eustachian tube.
d) Semi-circular canal. - ANSWER c
A scuba diver tends to become dehydrated while diving due to:
a) Excessive perspiration.
b) Moisturizing dry inhaled air.
c) Saltwater absorbing moisture from the skin.
d) The extreme amount of energy expended during a dive. - ANSWER b
Symptoms of Nitrogen Narcosis are similar to:
a) Caisson's disease.
b) Asphyxia.
c) Diver's disease.
d) Alcoholic intoxication. - ANSWER d
A diver unable to equalize his/her ears during ascent may be afflicted with:
, a) Sinusitis.
b) A block or reverse block.
c) Sinus squeeze.
d) External ear squeeze. - ANSWER b
In general, for maximum efficiency, your breathing should be
a) slightly faster and shallower than you normally breathe
b) the same as you normally breathe
c) slightly slower and shallower than you normally breathe
d) slightly slower and deeper than you normally breathe - ANSWER d
To avoid air embolism, a diver should:
a) Breath 100 percent oxygen when scuba diving.
b) Make proper decompression.
c) Breath compressed air only.
d) Breath naturally at all times during the ascent and never hold his/her breath. -
ANSWER d
A diver who surfaces with blood and mucous in his/her mask will most likely have:
a) Lung squeeze.
b) Ear squeeze.
c) Sinus squeeze.
d) Air embolism - ANSWER c
If your dive buddy complains to you about having aching pain in his/her shoulder one
hour after the dive, you might suspect:
a) Arterial gas embolism.
b) Decompression sickness.
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