NAUI eLearning Open Water Scuba Diver
Final Test Questions & Answers
Symptoms of Nitrogen Narcosis are similar to: - ANSWERSalcohol intoxication
the stage of the regulator which reduces working tank pressure to intermediate pressure
is: - ANSWERSthe first stage
when the pressure of nitrogen is balanced between the air and your body, you are at a
state of - ANSWERSequilibrium
Open heel fins are usually the fins of choice for scuba divers because: - ANSWERSthey
may be used in a wide variety of environmental conditions
The last thing to check before making a giant stride or any water entry is that: -
ANSWERSarea below is clear
Engraved markings on scuba tanks include: - ANSWERSDate of hydrostatic test, serial
number, type of material
A diver's body heat is lost through conduction (primarily) at a rate of approximately
_________ times more rapidly than in air. - ANSWERS25
when conducting a buoyancy check, neutral buoyancy or proper weighting is attained
when, with a normal breath, you float at or near - ANSWERSeye level
sound travels about_______ times faster in water than in air - ANSWERS4
a regular breathing pattern while diving would be - ANSWERSslightly slower and
deeper than you normally breathe
If a diver's surface air consumption rate is 1.72bar (25 psi) per minute, what would be
the consumption rate at 20 meters (66 feet) of seawater? - ANSWERS5.16 bar per
minute (75 psi per minute)
, appropriate first aid measures for an unconscious scuba diver should include
consideration of - ANSWERSdrowning, air embolism, and decompression sickness
weighting systems are used by the diver primarily to - ANSWERSoffset the positive
buoyancy created by the wet suit
Four main actions you should consider in giving first aid for diving accidents are: -
ANSWERSmaintain basic life support, call for help, treat for shock, deliver 100%
oxygen
Scuba tanks should always have some pressure in them to prevent: -
ANSWERSmoisture from entering
The following rate of ascent for diving is acceptable when using the NAUI dive tables: -
ANSWERS30 feet per minute
Diving equipment should be - ANSWERSrinsed thoroughly, dried and stored in a cool
place
the ______ line is the direction of travel line on the compass - ANSWERSlubber
which of the following most readily provides assistance to a diver - ANSWERSthe diving
buddy
examples of natural navigation aids divers may use during dives include - ANSWERSall
of the above/following; ripple marks in the sand, sun brightness, and bottom contours
If it is suspected that the air in a tank is contaminated due to its smell or taste: -
ANSWERSdo not use the tank and immediately call the dive shop that filled the tank so
they can investigate the problem
Which of the following physical factors can make you incapable of sustaining the efforts
sometimes demanded when participating in recreational diving - ANSWERSall of the
above/following; inadequate sleep, a recent head cold and recent ingestion of drugs
(medicine, alcohol, narcotics)
Physical fitness is an important consideration for scuba divers because it helps to
prevent diving accidents due to - ANSWERSexhaustion
which is the most effective way to descend while maintaining orientation and attempting
equalization of the ears - ANSWERSfeet first
you should have your regulator serviced by a certified repair technician - ANSWERSas
recommended by the manufacturer
Final Test Questions & Answers
Symptoms of Nitrogen Narcosis are similar to: - ANSWERSalcohol intoxication
the stage of the regulator which reduces working tank pressure to intermediate pressure
is: - ANSWERSthe first stage
when the pressure of nitrogen is balanced between the air and your body, you are at a
state of - ANSWERSequilibrium
Open heel fins are usually the fins of choice for scuba divers because: - ANSWERSthey
may be used in a wide variety of environmental conditions
The last thing to check before making a giant stride or any water entry is that: -
ANSWERSarea below is clear
Engraved markings on scuba tanks include: - ANSWERSDate of hydrostatic test, serial
number, type of material
A diver's body heat is lost through conduction (primarily) at a rate of approximately
_________ times more rapidly than in air. - ANSWERS25
when conducting a buoyancy check, neutral buoyancy or proper weighting is attained
when, with a normal breath, you float at or near - ANSWERSeye level
sound travels about_______ times faster in water than in air - ANSWERS4
a regular breathing pattern while diving would be - ANSWERSslightly slower and
deeper than you normally breathe
If a diver's surface air consumption rate is 1.72bar (25 psi) per minute, what would be
the consumption rate at 20 meters (66 feet) of seawater? - ANSWERS5.16 bar per
minute (75 psi per minute)
, appropriate first aid measures for an unconscious scuba diver should include
consideration of - ANSWERSdrowning, air embolism, and decompression sickness
weighting systems are used by the diver primarily to - ANSWERSoffset the positive
buoyancy created by the wet suit
Four main actions you should consider in giving first aid for diving accidents are: -
ANSWERSmaintain basic life support, call for help, treat for shock, deliver 100%
oxygen
Scuba tanks should always have some pressure in them to prevent: -
ANSWERSmoisture from entering
The following rate of ascent for diving is acceptable when using the NAUI dive tables: -
ANSWERS30 feet per minute
Diving equipment should be - ANSWERSrinsed thoroughly, dried and stored in a cool
place
the ______ line is the direction of travel line on the compass - ANSWERSlubber
which of the following most readily provides assistance to a diver - ANSWERSthe diving
buddy
examples of natural navigation aids divers may use during dives include - ANSWERSall
of the above/following; ripple marks in the sand, sun brightness, and bottom contours
If it is suspected that the air in a tank is contaminated due to its smell or taste: -
ANSWERSdo not use the tank and immediately call the dive shop that filled the tank so
they can investigate the problem
Which of the following physical factors can make you incapable of sustaining the efforts
sometimes demanded when participating in recreational diving - ANSWERSall of the
above/following; inadequate sleep, a recent head cold and recent ingestion of drugs
(medicine, alcohol, narcotics)
Physical fitness is an important consideration for scuba divers because it helps to
prevent diving accidents due to - ANSWERSexhaustion
which is the most effective way to descend while maintaining orientation and attempting
equalization of the ears - ANSWERSfeet first
you should have your regulator serviced by a certified repair technician - ANSWERSas
recommended by the manufacturer
