NAUI eLearning Open Water Scuba Diver
Final Test Exam questions with complete
solutions
Symptoms of Nitrogen Narcosis are similar to: - correct answer-alcohol intoxication
the stage of the regulator which reduces working tank pressure to intermediate pressure is: - correct
answer-the first stage
when the pressure of nitrogen is balanced between the air and your body, you are at a state of - correct
answer-equilibrium
Open heel fins are usually the fins of choice for scuba divers because: - correct answer-they 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: - correct answer-area
below is clear
Engraved markings on scuba tanks include: - correct answer-Date 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. - correct answer-25
when conducting a buoyancy check, neutral buoyancy or proper weighting is attained when, with a
normal breath, you float at or near - correct answer-eye level
sound travels about_______ times faster in water than in air - correct answer-4
, a regular breathing pattern while diving would be - correct answer-slightly 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? - correct answer-5.16 bar per minute (75 psi per minute)
appropriate first aid measures for an unconscious scuba diver should include consideration of - correct
answer-drowning, air embolism, and decompression sickness
weighting systems are used by the diver primarily to - correct answer-offset the positive buoyancy
created by the wet suit
Four main actions you should consider in giving first aid for diving accidents are: - correct answer-
maintain basic life support, call for help, treat for shock, deliver 100% oxygen
Scuba tanks should always have some pressure in them to prevent: - correct answer-moisture from
entering
The following rate of ascent for diving is acceptable when using the NAUI dive tables: - correct answer-30
feet per minute
Diving equipment should be - correct answer-rinsed thoroughly, dried and stored in a cool place
the ______ line is the direction of travel line on the compass - correct answer-lubber
which of the following most readily provides assistance to a diver - correct answer-the diving buddy
examples of natural navigation aids divers may use during dives include - correct answer-all 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: - correct answer-do not
use the tank and immediately call the dive shop that filled the tank so they can investigate the problem
Final Test Exam questions with complete
solutions
Symptoms of Nitrogen Narcosis are similar to: - correct answer-alcohol intoxication
the stage of the regulator which reduces working tank pressure to intermediate pressure is: - correct
answer-the first stage
when the pressure of nitrogen is balanced between the air and your body, you are at a state of - correct
answer-equilibrium
Open heel fins are usually the fins of choice for scuba divers because: - correct answer-they 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: - correct answer-area
below is clear
Engraved markings on scuba tanks include: - correct answer-Date 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. - correct answer-25
when conducting a buoyancy check, neutral buoyancy or proper weighting is attained when, with a
normal breath, you float at or near - correct answer-eye level
sound travels about_______ times faster in water than in air - correct answer-4
, a regular breathing pattern while diving would be - correct answer-slightly 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? - correct answer-5.16 bar per minute (75 psi per minute)
appropriate first aid measures for an unconscious scuba diver should include consideration of - correct
answer-drowning, air embolism, and decompression sickness
weighting systems are used by the diver primarily to - correct answer-offset the positive buoyancy
created by the wet suit
Four main actions you should consider in giving first aid for diving accidents are: - correct answer-
maintain basic life support, call for help, treat for shock, deliver 100% oxygen
Scuba tanks should always have some pressure in them to prevent: - correct answer-moisture from
entering
The following rate of ascent for diving is acceptable when using the NAUI dive tables: - correct answer-30
feet per minute
Diving equipment should be - correct answer-rinsed thoroughly, dried and stored in a cool place
the ______ line is the direction of travel line on the compass - correct answer-lubber
which of the following most readily provides assistance to a diver - correct answer-the diving buddy
examples of natural navigation aids divers may use during dives include - correct answer-all 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: - correct answer-do not
use the tank and immediately call the dive shop that filled the tank so they can investigate the problem
