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NAUI Open Water Elearning 10% Verified 2024
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NAUI Open Water Elearning 100% Verified 2024
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NAUI Open Water Elearning 100%Verified 2024
____ is the underwater movement of water caused by wave action that you will
experience when diving in areas close to shore - ANSWER-Surge
______ is a worldwide emergency network of hyperbaric chambers and diving
physicians - ANSWER-Divers Alert Network (DAN)
A ___ used undergarments for insulation - ANSWER-dry suit
A ____ calculates your remaining allowable bottom time while diving - ANSWER-dive
computer
A ____ is made from foam neoprene - ANSWER-wetsuit
A ____ is suitable for warm, tropical diving. - ANSWER-dive skin
A ____ plan is a written plan of your destination and your expected time of return that is
left with someone on shore so they can summon help if you do not return within a
reasonable time - ANSWER-float
A _____ compensates for the compression of a wetsuit as you descend underwater -
ANSWER-compensating weight belt
A depth that is equivalent to one atmosphere in ocean is equal to ____ in sea water and
____ in fresh water - ANSWER-10 m (33 feet) ; 10.4 m (34 feet)
A diver experiencing panic should - ANSWER-stop, rest and breathe slowly and deeply
until you recover
a diver with a group letter of 'F' making a dive of 60 ft. has a residual nitrogen time of
_____ - ANSWER-35 minutes
A diver with blood and mucous in his/her mask upon surfacing will most likely have -
ANSWER-sinus squeeze
A diver's body heat is lost through conduction (primarily) at a rate of approximately ____
times more rapidly than in air. - ANSWER-25
A diver's inability to equalize his/her ears during ascent could cause: - ANSWER-a block
or reverse block
, A diving watch must be able to withstand pressure and measure ____. - ANSWER-
Elapsed time
A NAUI open water scuba diver should not dive deeper than 18 meters (or 60 feet). T or
F - ANSWER-True
A reciprocal course is made when your outbound course is a straight line and halfway
through your dive you make a _____ turn. - ANSWER-180 degrees
A regular breathing pattern while diving would be - ANSWER-slightly slower and deeper
than you normally breath
A scuba cylinder valve is turned on when you rotate it in a clockwise direction. T or F -
ANSWER-False
a sealed balloon filled with air that has volume of 6 cubic inches at 99 feet will have a
volume of _____ cubic inches at 33 feet - ANSWER-12
A symptom of carbon monoxide poisoning is often - ANSWER-headache
A thermocline is a thin zone of radical change in water ____. - ANSWER-temperature
According to NAUI, a repetitive dive is defined as more than one dive within a period of
_________ hours. - ANSWER-24
According to the NAUI dive tables dives to less than 6 m (20 feet): - ANSWER-Are
considered as 6m (20 foot) dives
almost all injuries from aquatic life are caused by _____ action on the part of the animal.
- ANSWER-defensive
An additional accessory that will b e useful to you is ____. - ANSWER-ALL OF THE
ABOVE -->
underwater slate
goodie bag
spare parts kit
An irregular breathing pattern (skip breathing) while diving will possibly cause: -
ANSWER-carbon dioxide excess
Appropriate first aid measures for decompression sickness DCS includes - ANSWER-lie
victim down, maintain circulation and respiration, administer O2 if qualified to do so
Atmospheric pressure at sea level is: - ANSWER-1.0 bar / 14.7 pounds per square
inch / 1.0 atmospheric absolute
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