NAUI Open Water Scuba Diving Final
Exam Questions and Answers9
The minimium surface interval required to avoid decompression after a dive to 88 feet for 18
min followed by a dive to 78 feet for 23 min is... - ANSWERS-4hr, 49 min
when the pressure of nitrogen is balanced between the air and your body, you are at a state of
_____ - ANSWERS-equilibrium
Immediately upon reaching the dive site you should... - ANSWERS-observe conditions
The absolute pressure in the ocean at 16 meters/53 feet is - ANSWERS-2.6 atmospheres
absolute
A diver's body heat is lost through conduction (primarily) at a rate of approximately _________
times more rapidly than in air. - ANSWERS-25
Appropriate first aid measures for an unconscious scuba diver should include consideration of -
ANSWERS-drowning, air embolism, and decompression sickness
Symptoms of Nitrogen Narcosis are similar to: - ANSWERS-alcohol intoxication
The predictable daily rise and fall of the ocean at a single point is called - ANSWERS-the tide
A diver's inability to equalize their ears during ascent could cause - ANSWERS-a block/reverse
block
, ________ is a worldwide emergency network of hyperbaric chambers and diving physicians -
ANSWERS-Divers Alert Network (DAN)
You should have your regulator serviced... - ANSWERS-as recommended by the manufacturer
If a diver's surface air consumption rate is 1.72 bar/25 psi per minute, what would be the
consumption rate at 20 meters/66 feet of seawater? - ANSWERS-5.16 bar per minute/75 psi per
minute
Which of the following will help prevent seasickness? - ANSWERS-Settle yourself in a midway
point of the boat
When conducting a buoyancy check, neutral buoyancy or proper weighting is attained when,
with a normal breath, you float at or near: - ANSWERS-eye level
The minimum SIT recommended between two dives is - ANSWERS-60 minutes
A diver with a letter group of "F" making a dive to 60 ft has a residual nitrogen time of -
ANSWERS-35 minutes
Sea water weighs _____ kg per liter or _____ pounds per cubic foot - ANSWERS-1.025 kg per
liter / 64 pounds per cubic foot
Four main actions you should consider in giving first aid for diving accidents are: - ANSWERS-
maintain basic life support, call for help, treat for shock, deliver 100% oxygen
The last thing to check before making any water entry is that - ANSWERS-the area below is clear
Exam Questions and Answers9
The minimium surface interval required to avoid decompression after a dive to 88 feet for 18
min followed by a dive to 78 feet for 23 min is... - ANSWERS-4hr, 49 min
when the pressure of nitrogen is balanced between the air and your body, you are at a state of
_____ - ANSWERS-equilibrium
Immediately upon reaching the dive site you should... - ANSWERS-observe conditions
The absolute pressure in the ocean at 16 meters/53 feet is - ANSWERS-2.6 atmospheres
absolute
A diver's body heat is lost through conduction (primarily) at a rate of approximately _________
times more rapidly than in air. - ANSWERS-25
Appropriate first aid measures for an unconscious scuba diver should include consideration of -
ANSWERS-drowning, air embolism, and decompression sickness
Symptoms of Nitrogen Narcosis are similar to: - ANSWERS-alcohol intoxication
The predictable daily rise and fall of the ocean at a single point is called - ANSWERS-the tide
A diver's inability to equalize their ears during ascent could cause - ANSWERS-a block/reverse
block
, ________ is a worldwide emergency network of hyperbaric chambers and diving physicians -
ANSWERS-Divers Alert Network (DAN)
You should have your regulator serviced... - ANSWERS-as recommended by the manufacturer
If a diver's surface air consumption rate is 1.72 bar/25 psi per minute, what would be the
consumption rate at 20 meters/66 feet of seawater? - ANSWERS-5.16 bar per minute/75 psi per
minute
Which of the following will help prevent seasickness? - ANSWERS-Settle yourself in a midway
point of the boat
When conducting a buoyancy check, neutral buoyancy or proper weighting is attained when,
with a normal breath, you float at or near: - ANSWERS-eye level
The minimum SIT recommended between two dives is - ANSWERS-60 minutes
A diver with a letter group of "F" making a dive to 60 ft has a residual nitrogen time of -
ANSWERS-35 minutes
Sea water weighs _____ kg per liter or _____ pounds per cubic foot - ANSWERS-1.025 kg per
liter / 64 pounds per cubic foot
Four main actions you should consider in giving first aid for diving accidents are: - ANSWERS-
maintain basic life support, call for help, treat for shock, deliver 100% oxygen
The last thing to check before making any water entry is that - ANSWERS-the area below is clear
