and CORRECT Answers
Symptoms of Nitrogen Narcosis are similar to: - CORRECT ANSWER- Alcohol intoxication
To relieve a cramp in the calf: - CORRECT ANSWER- Bend the toe of the fin toward the
knee to stretch the muscle
Which of the following will help to prevent seasickness? - CORRECT ANSWER- Settle
yourself in a midway point of the boat
Two types of materials that scuba tanks are made from are steel and _________. - CORRECT
ANSWER- aluminum
Almost all injuries from aquatic life are caused by _____ action on the part of the animal. -
CORRECT ANSWER- defensive
If you receive your entry level training in a tropical environment and then move or travel to a
northern environment, the best way of becoming familiar with the diving procedures specific
to a new locale is to... - CORRECT ANSWER- Contact an active, preferably NAUI, Dive
Master or Instructor to orient you to the new locale
A diver with blood and mucous in his/her mask upon surfacing will most likely have: -
CORRECT ANSWER- Sinus squeeze
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
Sound travels about _________ times faster in water than in air. - CORRECT ANSWER- 4
What type of pressure is defined as gauge (water) pressure plus atmospheric (air) pressure? -
CORRECT ANSWER- Absolute
, The following rate of ascent for diving is acceptable when using the NAUI dive tables: -
CORRECT ANSWER- 9 meters/ 30 feet per minute
A diver experiencing panic should: - CORRECT ANSWER- Stop, rest and breathe slowly
and deeply until you recover
Completing this entry level scuba certification course makes you knowledgeable and skillful
enough to dive safely in or at: - CORRECT ANSWER- Open water with conditions similar to
those in which you were trained
The maximum dive time for a dive to 60 ft is _________ minutes. - CORRECT ANSWER-
50
The stage of the regulator which reduces working tank pressure to intermediate pressure is: -
CORRECT ANSWER- The first stage
Engraved markings on scuba tanks include: - CORRECT ANSWER- Date of hydrostatic test,
serial number, type of material
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)
An irregular breathing pattern (skip breathing) while diving will possibly cause: - CORRECT
ANSWER- Carbon dioxide excess
A diver's body heat is lost through conduction (primarily) at a rate of approximately
_________ times more rapidly than in air. - CORRECT ANSWER- 25
Your first dive is to 60 ft for 50 minutes. You spend one hour and 40 minutes on the surface,
what is your adjusted maximum dive time at 60 ft? - CORRECT ANSWER- 4 minutes