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... - ANSWER 4hr, 49 min
when the pressure of nitrogen is balanced between the air and your body, you are at a state
of _____ - ANSWER equilibrium
Immediately upon reaching the dive site you should... - ANSWER observe conditions
The absolute pressure in the ocean at 16 meters/53 feet is - ANSWER 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. - ANSWER 25
Appropriate first aid measures for an unconscious scuba diver should include consideration
of - ANSWER drowning, air embolism, and decompression sickness
Symptoms of Nitrogen Narcosis are similar to: - ANSWER alcohol intoxication
The predictable daily rise and fall of the ocean at a single point is called - ANSWER the
tide
A diver's inability to equalize their ears during ascent could cause - ANSWER a
block/reverse block
1
, ________ is a worldwide emergency network of hyperbaric chambers and diving physicians -
ANSWER Divers Alert Network (DAN)
You should have your regulator serviced... - ANSWER 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? - ANSWER 5.16 bar per minute/75
psi per minute
Which of the following will help prevent seasickness? - ANSWER 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: - ANSWER eye level
The minimum SIT recommended between two dives is - ANSWER 60 minutes
A diver with a letter group of "F" making a dive to 60 ft has a residual nitrogen time of -
ANSWER 35 minutes
Sea water weighs _____ kg per liter or _____ pounds per cubic foot - ANSWER 1.025 kg
per liter / 64 pounds per cubic foot
Four main actions you should consider in giving first aid for diving accidents are: -
ANSWER 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 - ANSWER the area below is
clear
2
min followed by a dive to 78 feet for 23 min is... - ANSWER 4hr, 49 min
when the pressure of nitrogen is balanced between the air and your body, you are at a state
of _____ - ANSWER equilibrium
Immediately upon reaching the dive site you should... - ANSWER observe conditions
The absolute pressure in the ocean at 16 meters/53 feet is - ANSWER 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. - ANSWER 25
Appropriate first aid measures for an unconscious scuba diver should include consideration
of - ANSWER drowning, air embolism, and decompression sickness
Symptoms of Nitrogen Narcosis are similar to: - ANSWER alcohol intoxication
The predictable daily rise and fall of the ocean at a single point is called - ANSWER the
tide
A diver's inability to equalize their ears during ascent could cause - ANSWER a
block/reverse block
1
, ________ is a worldwide emergency network of hyperbaric chambers and diving physicians -
ANSWER Divers Alert Network (DAN)
You should have your regulator serviced... - ANSWER 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? - ANSWER 5.16 bar per minute/75
psi per minute
Which of the following will help prevent seasickness? - ANSWER 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: - ANSWER eye level
The minimum SIT recommended between two dives is - ANSWER 60 minutes
A diver with a letter group of "F" making a dive to 60 ft has a residual nitrogen time of -
ANSWER 35 minutes
Sea water weighs _____ kg per liter or _____ pounds per cubic foot - ANSWER 1.025 kg
per liter / 64 pounds per cubic foot
Four main actions you should consider in giving first aid for diving accidents are: -
ANSWER 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 - ANSWER the area below is
clear
2
