NAUI eLearning Open Water Scuba Diver Final Test.pdf file:///C:/Users/HP/Desktop/dddd/NAUI%20eLearning%20Open%20
NAUI eLearning Open Water Scuba Diver Final Test
Questions & Answers
1. Symptoms of Nitrogen Narcosis are similar to
ANS alcohol intoxication
2. the stage of the regulator which reduces working tank pressure to interme- diate
pressure is
ANS the first stage
3. when the pressure of nitrogen is balanced between the air and your body, you are at a
state of
ANS equilibrium
4. Open heel fins are usually the fins of choice for scuba divers because
ANS they may be used in a wide variety of environmental conditions
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5. The last thing to check before making a giant stride or any water entry is that
ANS area below is clear
6. Engraved markings on scuba tanks include
ANS Date of hydrostatic test, serial number, type of material
7. A diver's body heat is lost through conduction (primarily) at a rate of
approximately times more rapidly than in air.
ANS 25
8. when conducting a buoyancy check, neutral buoyancy or proper weighting is attained
when, with a normal breath, you float at or near
ANS eye level
9. sound travels about times faster in water than in air
ANS 4
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10. a regular breathing pattern while diving would be
ANS slightly slower and deeper than you normally breathe
11. 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?
ANS 5.16 bar per minute (75 psi per minute)
12. appropriate first aid measures for an unconscious scuba diver should include
consideration of
ANS drowning, air embolism, and decompression sickness
13. weighting systems are used by the diver primarily to
ANS offset the positive buoyancy created by the wet suit
14. Four main actions you should consider in giving first aid for diving acci- dents are
ANS maintain basic life support, call for help, treat for shock, deliver 100% oxygen
15. Scuba tanks should always have some pressure in them to prevent
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