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
NAUI Open Water Scuba Diving Final
100% ACCURATE
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
________ 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
Pressure in the middle ear is equalized through a part of the body called the: - ANSWER eustachian tube
A regular breathing pattern while diving would be - ANSWER slightly slower and deeper than you
normally breathe
A sealed balloon filled with air that has a volume of 6 cubic inches at 99 feet will have a volume of _____
cubic inches at 33 feet. - ANSWER 12
Currents that suddenly appear and disappear are _____ - ANSWER transitory
_____ is the underwater movement of water caused by wave action that you will experience when
diving in areas close to shore. - ANSWER surge
If it is suspected that the air in a tank is contaminated due to its smell or taste: - ANSWER do not use the
tank and immediately call the dive shop that filled the tank so they can investigate the problem
Atmospheric pressure at sea level is - ANSWER 1.0 bar / 14.7 pounds per square inch/1.0 atmosphere
absolute
What rate of ascent for diving is acceptable when using NAUI dive tables? - ANSWER 30ft/1min or
1ft/2sec
A repetitive dive is defines as more that one dive within - ANSWER 24 hours
Dive tables dives to less that 6m/20ft are considered as - ANSWER 6m/20ft dives
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