EXAM QUESTIONS WITH COMPLETE VERIFIED SOLUTION
GUIDE (A+ GRADED 100% CORRECT ) 2025 NEWEST
VERSION!!
Where tidal currents are significant, diving from shore should
generally be conducted at or near high or low tide because: -
ANSWER-There is a little tidal current near slack tide
Pressure in the middle ear is equalized through a part of the
body called the: -
ANSWER-Eustachian
tube
Continued loss of body heat in cold water will produce: -
ANSWER-Muscle
cramps
Progressive
immobility
Insensibility to
pain
,If wearing an exposure suit you should do what as you
descend to control
buoyancy - ANSWER-Add air
to BCD
Open heal fins are best for SCUBA because - ANSWER-Wide
variety of uses
Currents that suddenly appear and disappear are - ANSWER-
Transitory and
Surge
Blood and mucus in the mask is most likely - ANSWER-Sinus
squeeze
Rinsing a reg should be done - ANSWER-Attached to a tank
or with the dust
cap
on
Gas law that explains most diving medical problems - ANSWER-
Boyles Law
Two methods for measuring air pressure -
ANSWER-BAR
, PSI
Atmospheric pressure at sea level -
ANSWER-1 BAR
14.7
PSI
1
ATA
Weights are used by divers primarily to - ANSWER-Offset
positive buoyancy
created by
wetsuit
Dives shallower than 40 ft are considered how deep on NAUI
Dive Tables -
ANSWER-
40 ft
How long after diving should you wait to fly - ANSWER-24 hrs
Can NAUI Dive Tables be applied for decompression of an
altitude dive? -
ANSWER-
No